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15.
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
 
16.
the best damn fat black cat eva
Look at that cute cosmo kitty
by idk June 23, 2004
 
17.
a sexy little horny BEAST
Cosme G. Martinez from S.H.S. in garden grove,ca
by tony February 07, 2005
 
18.
The greatest Coscos in the entire world!!!!(!)
We <3 you Coscos!!!
by Timmy J May 21, 2003