M.S.D

stands for multiple shagging disorder!When a person feels the need to have sex with several people every week!

Bloke: So doc what have I got
Doc: I'm afraid to say you have m.s.d and i'm sorry but it's incurable I will prescribe you some condoms

by katrina January 11, 2005

M.S.D.

M.S.D. stands for "maximum squirting distance," referring to the max distance a girl can squirt girl cum out her vagina.

"What's your M.S.D?"
"Dude, Becky's M.S.D. is like 5 feet!"

by rolling_sideways October 28, 2011