2 definitions by TonyM

An endangered species considered so pointless and useless that no effort is to be made towards conservation.
SCO is soon to be extinct.
SCO who?
by TonyM October 24, 2003
The biscuit which a small group of usually younger males masturbate in a circle onto as a game. The loser in the game is the last one to ejaculate and must eat the biscuit.
James looked at the jizz biscuit and thought 'No way'.
by TonyM June 10, 2005