to throw something with the expressed intention of hitting someone from a close range. derived from a popular game where grenades are held for several seconds and then, when they are about to go off, 'twanged' into an enemy soldier, who promptly vapourises. Can be used to maximum effect by booting a door open and 'twanging' a charged grenade into the back of an enemy's head. A bloody good laugh.
The tough and elastic skin that onnects the back of your scrotum (ballsack) to the area right before your anus. It expands and becomes thin when the temperature is hot, and shrivels up and becomes thick when the temperature is cold.