Top Definition
An act in which two or more women particpate in sexual intercourse in the scissor position.
"Dude last night in the shower those girls were totally knocking boxes."
#knocking #boxes #box #knock #lesbian sex
by veevrede August 06, 2008
10 Words related to knocking boxes
Another term for two or more ladies gettin it on.
Dude i swear my girlfriend and her best friend are knocking boxes they are always sleeping and showering together.
#sex #lesbian #awesome #hot #tangy
by bassfreek August 11, 2008
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