when a man doing a girl from behind screams out loud in the style of chewbacca from star wars, the aim is to make others in nearby hotel rooms hear.
by tmason October 06, 2008

a type of protein that works mainly on the balls and the scrotam in general. Some people might take scrotein if they have a small ballsack.
"hey leroy, how did you keep going after the 23rd ho?"
"well, iv been putting in the work and taking them scrotein supplements every day!, that shit really gets the jizz'm up"
"well, iv been putting in the work and taking them scrotein supplements every day!, that shit really gets the jizz'm up"
by tmason January 23, 2008
