Top definition
A person (usually one of your friends) that says they will do something with you, but then "stabs you in the back" and goes and does something else. (A "cunt kniver" is someone who will do this frequently with their girlfriend).
When someone you made plans with disappears and becomes a Knifer / Kniver
by Tower June 10, 2007
Mug icon

Donkey Punch Plush

10" high plush doll.

Buy the plush