(n) 1. The progressive loss of higher mental functions, and eventually motor skills, due to overuse of one's love muscle
A highly infectious condition spread by exposure to hot chicks, who are asymptomatic carriers of the disease.
Bob: As I was saying, infection of the lymphatic vessels may cause thickening of the skin and enlargement of underlying tissu... WOAH, BOOBIES!!1! .... Huh?
Bill: Oh noes. Another innocent, struck down in his prime by rampant penility. Where will it ever stop??
Random hand gestures and arm movements that affect epileptics, or some people with brain damage. Laughing is cruel, wrong and oh so hard to resist...
The involuntary spasticulation of the spaz caused a spasm of guilty mirth.