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1.
When a group of guys or girls decide to have a masturbation contest. Whoever orgasms first, wins.
Amanda: "Hey girls ! Wanna have a jackbattle?"
Leyla: "Sure ! I'm gonna win this time, I'm wet already!"

ex. 2

"Guys... Is it okay if i take quick one?"
"I'll do it too!"
"Me too!"
"Let's have a jackbattle then!"
by Jackjizzer January 26, 2010