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1.
To confuse people out of the "Mainstream" and to use in any way possible. there is no exact definition, just use it anywhere you can!
wow damn look at those Zoncos!

i kinda want a Zoncos right now.

THIS IS ZONCOS!!!
by William x Shakespeare October 04, 2011
6 1
 
2.
A female who jerks you off so hard that your foreskin is pulled off.
Yo, don't date Trish. I hear she's a total zonco.
by MasterJesusKillerMan October 04, 2011
3 2