1. Steriods in milk format, very beneficial for one's muscles.
2. Bobby's favorite beverage
by 5p0rk February 09, 2007
Get a Muscle Milk mug for your cat Riley.
Male Semen, Often referred to as "Jizz"
Hey, fellow fag, lets go drink Muscle Milk!
by Ben Hasting November 07, 2007
Get the Muscle Milk neck gaiter and mug.
A thick white mans substance that comes from a mans love muscle, may also come from a womans love muscle (eg. stuarts).
"Let's get it on!!!" "Oh yeah!!!!!!!!"
by annon July 22, 2004
Get a muscle milk mug for your fish José.