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.
The disgusting experience of having your hand doused in frigid water that has collected in the cap of a bottle of shampoo or body wash, and been sitting there overnight.