Definitions by ThatsRightCOW

Grimlock 

The act of a grenade bouncing back towards the person who threw it. Grimlock2 is notorious for this act.

Grimlock2 cooked his grenade only to have it bounce off a low ceiling back towards him, to which he exclaimed, "Shit! I grimlocked it!"

Grimlock by ThatsRightCOW June 28, 2009