The act of supplying McDonald's with the white sauce from your armpits. Classic symptoms are excessively wearing white T-shirts and people avoiding you when you lift your armpits. Also Mayonnaise Perspiring Syndrome or MPD/MPS.
Dude 1: That guy in front of us has Mayonnaise Perspiring Disease !
Dude 2: How do you know?
Dude 1: He's wearing a white T-shirt everyday.
Dude 2: How do you know?
Dude 1: He's wearing a white T-shirt everyday.
by PikachuKnowsSurf December 31, 2010