a guy who goes absolutely crazy when he plays football/sports;insane in the membrane.
Dude, Bob went cosmo on me after I hit him and then he KICKED...MY...ASS.
by Ann glasglow January 01, 2006
the best damn fat black cat eva
Look at that cute cosmo kitty
by idk June 23, 2004
a sexy little horny BEAST
Cosme G. Martinez from S.H.S. in garden grove,ca
by tony February 07, 2005
The greatest Coscos in the entire world!!!!(!)
We <3 you Coscos!!!
by Timmy J May 21, 2003

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