When you rub your knee against a woman's pussy. Cross between knee and shag.
Lad 1) mate how did you get on with your tinder date last night?
Lad 2) ah mate I just knag'd her
knag is gank in reverse. In essance it means to force somthing on sombody.
I got tired of carrying garbage around, so i knaged it to him.
6👍 5👎