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

A term used in the LGBTQ community to describe a mechanism that houses sexual devices included but not limited to: strap ons, c-rings, vibrators, dongs, etc.

A bag for carrying tons of weed in plastic baggys.

An account you use in video games to store gear for you.

A Backpack Boy is someone who fails to deliver to a group project. The group relies on Backpack Boy, and trusts him to do his part. Sometimes he’ll even apologize, and say he’ll start to help. But in the end, the group carries this boy like a backpack, which is what gives him his ridiculous name.

When you take someone’s backpack, take a dump in it and bring it back without them knowing.

When you get so blacked out you piss your bed and someone puts a backpack around your dead corpse and drags you around the floor.