cockjack

the act of stealing a friend's romantic interest (typically used by girls).

Ex. 1) Girl, you got cockjacked by your more attractive friend, Hannah.

Ex. 2) Hey man, your jerk-ass friend is planning on cockjacking you.

Ex. 3) Annabelle unintentionally cockjacks every girl when they bring hot dates around.

by AddyHamilton December 23, 2011