(n) 1. The progressive loss of higher mental functions, and eventually motor skills, due to overuse of one's love muscle for thinking with.
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??
(v) To make it appear as though one is doing work, to deter others from asking you to do real work by doing things that make you seem busy; To avoid confrontation with another through false labor or duties
I saw my boss coming over my way so i started to percilitate to avoid getting in trouble for wasting time on the job again.