1 definition by Wilshire89

Top Definition
In a college setting, when two couples compete in having sex in the same room. The bed must rock like you're riding a horse. The couple that finishes first raises an arm to signal that they have "finished."
"Hey man! Who won the Kentucky Derby last night?"

"It was close, but I beat my roommate by like 2 seconds!"
by Wilshire89 May 02, 2010

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