1 definition by necronanofelcher

1

A competition among males to see who can ejaculate the largest amount of semen.

Dude 1: Dude, I challenge you to a jack-off-off. I've been saving up.
Dude 2: No good dude, I've already busted a load today.

by necronanofelcher November 17, 2009

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request