Unusually small Mexican genitalia, specifically the penis.
Christy told her friend Rachel that she had fun on her date with Rich Diaz, but that she wouldn't be seeing him again because of his picaco.
by Max March 31, 2003
Top Definition
hudsons small mexican cock that he uses to cum fiesta on boys
Hudson just pulled his picaco out and cum fiestaed on spencer
by Andrew February 28, 2004
Relly small mexican dick
Look!!!!!!! he has a picaco
by NoSoccerNoMe225 April 12, 2003
Diego Guzman: Pony!!!
El Pony es un PICACO!!! jajajaja
by Osvaldo January 04, 2004
Small Mexican penis
Juan has a small penis
by Jewish April 01, 2003
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