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1.
when a man puts his genitals and wanger between his thighs to make it look like he has a vagina.
oi love you wanna see my kuyf
by millsarno of btown August 05, 2011
 
2.
Another word for shit, as in the poop kind. Pronounced kife
Mummy, I just did a big kuyf!
by Hellllea August 25, 2010