Musty Backpack

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

Backpack

A container that is used in most situations to hold school supplies

I forgot my backpack at my house

by Piece of buttocks February 27, 2017

Backpack

Backpack, when you sexual partner is held up near your chest bouncing on your dick almost like a backpack.

She was like a backpack

by FagPuffisFun May 21, 2019

backpack virgin

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

backpack

Someone that rides as a pillion on a motorcycle.

Bob: "Hey, are you taking Emma with you on your motorcycle?"
Marley: "No, I already have Juliette as my backpack."

by TwoWheelTit May 13, 2024

cactus in a backpack

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

Backpacking thru Spain

Engaging in man on man sexual encounters during your first stint in the slammer.

Phil met Hector and went Backpacking thru Spain with him while he was locked up in Rikers.

by Sactowns Finest December 4, 2020