Top definition
A competition wherein two consenting individuals engage in sexual congress under previously established rules. Both individuals engage in intercourse while trying to avoid breaking the rules and the first person to break the rules must withstand the victors bragging rights and victory dance.
Jim: "Dude what the hell were you doing last night?"

Tim: "Me a Claire had a awesome sexpetition last night, where the first person to make a noise lost, I got pawned when I shouted out my moms name on accident."

Jim: "You're such a fucktoid!"

Tim: "Word."
by William747 September 22, 2007
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