An account you use in video games to store gear for you.
Nick, you can get those items off that backpack account.
by googleman1 April 21, 2015
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When you wrap barbed wire around your penis and insert it into a vagina or anal cavity.
Bob: Did she like that cactus in a backpack yesterday?
Steve: Oh yeah, she said it was the best cactus in a backpack she's ever gotten.
by Cactus D'Cactus December 11, 2014
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An act of a naked smaller male, hitching a ride on a naked larger woman like a backpack. The image looks similar to that of a koala cub on the back of its mother.
Dan was a Koala Backpack to the kitchen to get some snacks post coitus.
by Kile Hanzens January 12, 2023
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A copious vagina which is moist and musty from a hard day pounding the streets.
Awh that lass from the pub had a right musty backpack!
by Krinthor April 12, 2019
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You are a backpack virgin when you lose your virginity just because you are rich or famous.A lot of people have this like: The BackPackKid, Jojosiwa, Jake Paul, Royalistiq and many more.
Jesus, how ugly he is! He must be a backpack virgin!!
by lolmeneervandeeheidha June 25, 2020
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