1. Exclamation used to express joy at the fact that one's
parent's facebook account has been
hacked and utilized to denote a "favorite" child via
facebook status.
2. Denigratory expression directed at fellow siblings when they realize that you are in fact the favorite.
1. facebook status reads: Kate loves
Cara more than
Madycomment 1: Kate, Cara is playing with your account
comment 2:
coxed!
2. To siblings: Did you see mom's fb status? You got coxed!