backpack 

In reference to someone who is ridiculously and outwardly stupid, as in jumping off a plane with a backpack instead of a parachute; absurd unintelligence.

I talked to that tool for more than an hour, and he DEFINITELY has the backpack.

backpack by Catherine McClary January 17, 2008

Backpack 

Verb: to put a backpack on a very drunk person before they go to bed, so as to keep them on their side in the recovery position and stop them from rolling onto their back so they don't choke on their vomit in their sleep

We're going to have to backpack Ally tonight and make sure to put something heavy in it because she just finished a fifth of vodka

Backpack by sassyras August 12, 2015

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?

Backpack 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

Backpack 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

Backpack by FagPuffisFun May 21, 2019

Backpack 

A nice ass on a female

Damn that girl had a nice backpack!

You see the backpack on that chick?

Backpack by Ask27 May 11, 2020

backpack 

when a female under 5”3 spoons a taller male in bed

“Me and my bitch was in bed yeah and don’t think she was tryna backpack man”

“Me and my boyfriend backpacked all night long”

backpack by spruce lee January 1, 2021