To have sex
Sexual Intercourse
inserting your penis into a vagina (or other warm hole)
Vince: Hey Mark!
Mark: what up?
Vince: Hey I seen you leave with that hottie last night what happen?
Mark: I took her back to the pad and Beat Cheeks!
Vince: NO WAY!, I need to beat some cheeks
Mark: I will hook you up!
by Pincky September 14, 2009
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To leave the area quickly. Originally from the from the fact that each lobe of your buttock will be slapping together during the act of running.
Cmon man the cops will be here any minute, lets beat cheeks!
by jake2 October 12, 2006
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