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Having sex with a backpack buy opening the zipper and sticking your junk in that compartment
"Dude, did you bang that chick?"
"Nah man, I got really drunk and wound up having backpack sex!"
by The Reactor October 01, 2009
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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