Backpack Back 

When students carry a backpack on their back too long.

Arghhhh, I'm getting a backpack back from these textbooks.

Backpack Back by Billie Yuan May 30, 2005

back pack back 

A person who has excessive back fat to the point where it looks as if they are conceling a back pack in their shirt.

"wow I thought that lady had a back pack on but she is just a back pack back".

back pack back by the one they call wonka March 3, 2009

Eugene Backpack 

Noun:
A carrying book bag of any sort or size, preferably something large enough to carry a fire arm in.

"Eugene was reaching into his backpack when in the classroom and all was silent..."

"The police investigated a eugene backpack, only to find zipties, a fedora, and a loaded nine milimeter handgun."

Eugene Backpack by innocentEugenewithbackpack May 27, 2016

Kenyan backpack

A sexual position in which one partner is standing, and the other partner is piggy backing upside down on the first. The upside down partner places their head between the legs of the standing partner and performs oral sex on them.

The couple was hospitalized after trying to perform a Kenyan backpack without stretching first.

Kenyan backpack by JayTeeF May 11, 2009

backpack race 

When someone is drinking beer/alcohol/etc, and someone else jumps on their back like a backpack and forces them to chug the beer. Usually done with two people at a time. Whoever gets the beer down first is the winner. The beer guzzler usually goes insane.

Kristen totally beat Kelly at the backpack race last night. Tubby lost his mind he drank so fast.

backpack race by MMjr May 26, 2008

backpack warrior 

a lesbian that carries a backpack with them everywhere. the backpack is most often than not not containing a strap on to use for lesbian sex.

person 1: hey did you see eunseo earlier?
person 2: yeah that backpack warrior doesn’t go anywhere without that bag.

backpack warrior by nananamimis October 3, 2021

Tijuana Backpack 

A Cleveland Steamer but on the back

Camryn was shocked when Russ gave her a Tijuana Backpack instead of the back massage he had originally offered.

Tijuana Backpack by Bachelor Party Wisdom April 7, 2009