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1.
its having ur balls sucked while takin it up the ass. obviously a group of gay men
john had his cherry popped at a fag party last night. he got a zerokem.
by anonme November 30, 2006
 
2.
The act of stuffing one mans scrotum into another mans anus when referring to male homosexuals.
Neil woke up hurting from the zerokem bob pulled on him last night. His nuts were still swollen.
by Lynds2005321 October 15, 2006