What is Lock It In?
1.
The face one makes when someone takes a picture of their face up close, or one takes a picture of his/her own self close up, hence "locking in" the face they're going to rock in the picture.
Also see "hot face" and "hot check"
Dude 1: Hey man im gonna take a picture of your face!
Dude 2: Hold on let me lock it in
See
