Slang To pay unsolicited and usually unwanted sexual attention to someone: I can't believe that the bartender hit on me!

What does hitting on me mean?

Definition of 'hit on'

If someone hits on you, they speak or behave in a way that shows they want to have a sexual relationship with you. [informal] She was hitting on me and I was surprised and flattered.

What is considered hitting on someone?

in. to flirt with someone; to make a pass at someone. The women were all hitting on George, but he didn't complain. See also: hit, on, someone.