Hit On Somebody

phrasal verb
Base hit on · Past hit on · Past Participle hit on · Present Participle hitting on · 3rd person hits on
Frequency
Medium-High
CEFR Level
B2
Register
Informal
Domain
Relationships
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Definition

1. (phrasal verb) To flirt with someone or try to start a romantic or sexual conversation with them, usually in a direct or obvious way.
2. (phrasal verb) To suddenly discover or think of an idea, a solution, or a plan — often by accident or after a long search.
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Context Alive

You are at a friend's birthday party and you notice a guy at the bar trying to talk to your friend. He keeps leaning in, smiling too much, and offering to buy her drinks. You walk over and whisper to her, "Is that guy hitting on you?" She rolls her eyes and says he has been at it for twenty minutes. You both laugh and move to the other side of the room.
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Meanings

2 meanings
1 To Flirt With Someone (Phrasal Verb) Very Common
This meaning is about making it obvious to someone that you are romantically or sexually interested in them — usually through conversation, compliments, or body language. Imagine sitting in a café and someone at the next table starts making small talk, complimenting your outfit, and asking if you come here often — they are clearly hitting on you. This is describing behaviour that goes beyond being friendly — there is a clear romantic intention behind it. You might say "he was hitting on her all night at the party" about someone who would not stop flirting, or someone could say "I think the waiter was hitting on you" after noticing overly friendly service. Or picture a colleague who keeps finding excuses to talk to you, brings you coffee every morning, and laughs at everything you say — your friends tell you he is definitely hitting on you. The phrase suggests the intention is usually obvious to others, even if the person being hit on does not notice right away.
✏️ Hit on is very informal and almost always describes flirting that is noticeable or even a bit too forward. It can be neutral — "he was hitting on her at the party" — or negative — "some creepy guy was hitting on me at the bus stop." The tone depends on whether the attention is welcome. In American English this is the standard phrase; in British English, "chat up" is more common but "hit on" is widely understood.
2 To Discover or Think of Something (Phrasal Verb) Common
This meaning is about finding an idea, a solution, or a plan — often unexpectedly or after trying many other things. Imagine a team of engineers stuck on a design problem for weeks — then one evening, while cooking dinner, the lead engineer hits on a solution that nobody had considered. This is describing a moment of discovery that often feels sudden or lucky. You might read "researchers hit on a new method that could cut production costs in half", or someone could say "she hit on the idea while reading an old magazine article". Or think about a struggling business owner who hits on a marketing strategy that finally brings in customers after months of trying everything else. The phrase suggests the discovery felt like a breakthrough.
✏️ This use of hit on is completely separate from the flirting meaning — context makes it clear which one is meant. You will see it in business, science, and creative contexts. "Hit upon" is a slightly more formal alternative with exactly the same meaning — "she hit upon an idea" sounds a little more polished than "she hit on an idea."
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Common Patterns

Flirting Meaning
hit on + someone the standard pattern — the person being flirted with follows
He spent the whole evening hitting on her at the bar.
get hit on to be the target of someone's flirting — passive perspective
She gets hit on every time she goes to that club.
try to hit on + someone attempting to flirt, often unsuccessfully
He tried to hit on her but she was not interested at all.
Discovery Meaning
hit on + noun (an idea, a solution, a plan) to suddenly discover or think of something
After weeks of testing, the team finally hit on a solution.
hit on + noun + by accident / by chance to discover something unexpectedly
She hit on the recipe by accident while experimenting in the kitchen.
hit upon + noun a slightly more formal version of the same pattern
The scientist hit upon a breakthrough during a routine experiment.
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Collocations

10 collocations
hit on someone at a bar
to flirt with a person at a drinking venue
hit on someone at a party
to make a romantic move at a social event
get hit on
to be on the receiving end of someone's flirting
constantly hit on
to be flirted with repeatedly and often
hit on an idea
to suddenly think of an idea
hit on a solution
to discover a way to fix a problem
hit on a plan
to come up with a course of action
hit on a formula
to find a method or recipe that works
hit on the right approach
to finally find the correct way to handle something
hit on something by chance
to discover something accidentally
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Example Sentences

10 examples
1
Some random guy was hitting on me at the coffee shop this morning.
A stranger was trying to flirt with me at the café earlier today.
2
He tried to hit on her at the party, but she completely ignored him.
He attempted to chat her up at the gathering, but she paid him no attention.
3
She gets hit on all the time at work, which makes her really uncomfortable.
People constantly flirt with her at the office, and she finds it very awkward.
4
I did not realise he was hitting on me until my friend pointed it out.
I had no idea he was flirting with me until my friend told me.
5
After months of research, the team finally hit on a method that worked.
Following months of study, the group at last found an approach that succeeded.
6
She hit on the idea of selling online after her physical shop closed down.
She came up with the idea of internet sales after her high-street store shut.
7
Is he hitting on you or is he just being friendly? I genuinely cannot tell.
Is he flirting or is he just nice? I honestly have no clue.
8
The chef hit on the perfect combination of spices completely by accident.
The cook discovered the ideal spice blend by pure luck.
9
He was hitting on every girl at the party and nobody took him seriously.
He was trying his luck with every woman at the event and none of them were interested.
10
We struggled with the budget for weeks until someone hit on the idea of sharing costs with another department.
We fought with the budget for weeks until someone thought of splitting expenses with a different team.
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Synonyms & Antonyms

6 items
✅ Synonyms
flirt with
more general and neutral — does not imply the same directness
chat up
British English equivalent — slightly lighter and more playful in tone
come on to
similar level of informality — often implies stronger or more obvious advances
❌ Antonyms
ignore
to pay no romantic attention to someone at all
reject
to turn down someone's romantic interest
brush off
to dismiss someone's advances casually