in someone’s face

in (one's) face

1. Physically in front of one's face. If you stick that dead bug in my face, I'm going to come after you! Can you believe he just slammed the door in my face like that?
2. slang Aggressively unavoidable; thrust upon one's attention. I hate talking to opinionated people—their views are always in your face. I hate all these pop-up ads in my face when I'm just trying to look something up.
3. slang Aggressively interacting with one. The phrase typically implies physical proximity. The salesmen are going to be in your face the moment you walk in the door, so remember to say you're just browsing. The ref was right to eject him—he was in his face the whole game!
4. An aggressive exclamation of triumph said after the speaker has defeated one or proven one wrong. Although rude, the phrase is often used jocularly, without actual hostility. You said I wouldn't make the team, and guess who's the newest member of the pitching staff? Yeah, that's right, in your face! I told Janet I would get that promotion before she did. In her face!
See also: face

in someone’s face

mod. irritating someone. (see also get in someone’s face, Get out of my face!, in-your-face.) I wish that the coach wasn’t always in my face about something.
See also: face