The act of playing Halo Reach online on a team slayer, aquiring a magnum or any other pistol, and meleing an enemy player from behind, resulting in an assassination animation.

if done correctly you should see the player's left hand punch the enemy in the back of the head, then a badass knife kill.

Etymology - Modern English, slang. A word that shouldn't ever be blocked.

1. A maneuver used to speed up a slow moving animal, not necessarily a donkey. Entails punching the animal it's hindquarters.

2. A sexual technique used by a male when having intercourse with a female or used by a male when having homosexual relations with another male. The male, who is having sex doggy style, gives a short powerful jab to the back of his partner's head. The resulting shock causes the partner's anus to clinch tight around the man's penis during ejaculation intensifying the man’s pleasure.