Black backpack 

Usually belonging to the quiet kid with every thing he needs. An knife, rope, ak47, and a gas mask.

Jason: ha ha your just a little pussy ass bitch
Josh: that's it i'm done with your shit
Jason: so what are you gonna do
Josh: (pulls out black backpack and reaches in)
Jason: oh shit he has an AK run
Josh: (shoots gun)

Black backpack by Black backpack December 2, 2021

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

back pack 

when a girl has a huge ass

she got a back pack, and a lunch pale too!

back pack by hottie23_94 July 8, 2009

what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac 

it basically means "what the fuck" but funnier since if you get cut mid-sentence, you have to start over, making it 2x funnier than it was before, because that's how broken my humor is.

person no 1: "hey...hey, what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac do you think you're doing, sir?"
person no 2: "mind your own damn business."

what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac by bigdaddy123yesplease September 29, 2021

back pack girl 

A Japanese girl, usually in the mid 20's to 30's, who packs enough "essentials" in a small back pack for a one night stand. They often speak very little English, but know at least "You wanna go on base?" They most often can be found at the American bars on White Pole Road and in the Alley and specifically go to the bars on Friday and Saturday nights and wait for an Airman to pick them up.

"Hey, let's drive down white pole and pick up a couple of back pack girls."

back pack girl by Arcade May 13, 2005

Back Pack 

a person who follows someone around because they have no life of their own, also referred to as a Stage 5 Clinger.

she follows him every where", "yeah i know, shes his back pack

Back Pack by LittleLski January 24, 2011