What is In-ya-face?
1.
A phrase used to show displeasure in someone or something. To get angry, or to mock someone with a mental disability.
Often used with a masturbation type of hand motion directed towards someone's face.
This term was created by Charles Daniel Jones(the first) in the year 2003.
Joe: Hey Frank, did you hear I hooked up with your chick last night?
Frank: Dude, that's messed up.
Joe: ...In-ya-face!
See