back up card

An extra person that you keep in your back pocket on a sense

"I won't be used as a back up card if you break up"

by Awesome cat guy July 4, 2016

Backpack

A bag for carrying tons of weed in plastic baggys.

Son, why does your backpack smell like shit? Have you forgotten to put out your school bread?

by Dope420 January 15, 2017

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

Backpocket knowledge

Backpocket knowledge consists of useless facts that serve no purpose but are still interesting to know nonetheless

Group of smart people: *having an intense conversation about the universe*
Bob: Leaves are green because they have chlorophyll.
Group: Thank you bob for sharing your backpocket knowledge with us.

by TheBigBlackOne May 20, 2017

Back-up-break

When someone stops at a red light next to an old person, slowly starts backing up, and yells "put on your brakes!" at them.

I can't wait for the day I get to back-up-break some unsuspecting old fart!

by ChubbyTweak94 September 14, 2017

Backpunisher

When a dog humps a stuffed teddy bear from the behind and and destroys it in 3 humps

My dog just backpunishered my stuffed teddy bear last night when i was watching.

by Dog lover 903 September 14, 2017

Backpetigo

Impetigo infection on the back.

Brett: I have impetigo on my back.
Mike: Ah. Backpetigo. You should probably go to a doctor.

by camqotsa April 1, 2018