A method of persuation or intimidation that originated from the I.R.A. (Irish Republican Army) where a person is held down and someone takes a 2x4 piece of wood with a nail stuck through it and beats the victims knees with it untill they rip his/her knee cap off or permanently damage it so they can never walk again and undergo serious pain and agony.

To place a pistol or other firearm behind a persons kneecap and pull the trigger, obliterating the knee and crippling the victim. A common mob tactic.

a thick bone under the skin in the middle of your leg, also used for kneeing people in the thigh (also known as a charlie or dead leg).

to lick someone's knee caps with your tongue while having sexual intercourse. usually attempted when extremely drunk and unable to attempt anything else.

An unscrupulous individual who loans money at high interest and will inflict bodily harm when payment is short or not forthcoming upon request.

To finger a girl in the vagina, or rub her clitoris. Commonly derived from the movie Fubar.

A person who will never propose. Refers to the emotional inability to get down on one knee Not to be confused with eternally single; someone without knee caps will stay in long term relationships, but will never actually pop the question.