Definition of "hit on" in English

Verb

1. To flirt with; to approach and speak to (someone), seeking romance, love, sex, etc.

   • That's the third guy that has hit on her tonight.
   • Guys are hitting on them almost all the time.

2. To discover, pinpoint; to think up; to realize.

   • He hit on a great idea for improving the design.
   • I think you've just hit right on the solution.

3. Used other than figuratively or idiomatically: see hit,‎ on.