Phase: Major monster skank (with) green smoke big butt Infectiphibian

Pronounced: Double m s g s double b i
Referring to some one that is extremely nasty. Usually a women.
Holy shit, check out that mmsgsbbi (double m s g s double b i). She be naaasty.
by Sarsippius November 29, 2006
Get the mmsgsbbi mug.