To hit on, near, or at least sorta close to a person's face or general area of the head and shouting "In the face" very loudly.
Is often followed by a repetition of the phrase "in the face" and of course a douche filled high five
Made famous by the movie "The Hangover"
"Dude, during dodgeball i accidentally hit timmy in the face"
"IN THE FACEE!"
Lee Harvey Oswald "I actually shot him"
Oswald "In the face"
Mobsters "IN THE FACEEEEEEEEEEE!!!"
"god helen keller can't walk around by herself"
"she totally walked into the lamp in the face"
"IN THE FACEEEEEEE!!!!!"