Musty Backpack

A copious vagina which is moist and musty from a hard day pounding the streets.

Awh that lass from the pub had a right musty backpack!

by Krinthor April 12, 2019

Eating Backpacks

Eating backpacks is a fun activity that people of all ages can enjoy!

Girl: Don’t you just love eating backpacks on a nice summer day?
Boy: Yeah! It’s the best thing ever!

by whyamidoingthisrightnow November 10, 2019

psycho-backpack

An obsessed girlfriend, that refuses to leave a guy alone, even for a second. Each and every time the guy looks over his shoulder, there she is...... just like he's wearing a backpack.

"god damn, Tommy.... your girlfriend, Hope.... is a total psycho-backpack."

by nathan huston 2020 November 15, 2020

Creamy backsplash

When mid fuck missionary, you flip her over and finish on her back

Man I just gave my wife a creamy backsplash. Little did I know she meant the tile for our kitchen.

by McNugget22 April 8, 2021

A back-up friend

A person that is a "friend" but is treated very poorly, and is only used as a second option incase their #1 friend isnt around.

back-up friends may be ignored, and not invited to things.
a back-up person are in a trio relationship of any kind

they may be that friend that walks behind the group when they are talking about something they didnt go to, and the friend that gets left on read in the groupchat and gets called annoying.

"I feel like a back-up friend when im around her." -1
"im sorry for you" -2

by Da.weirdo July 5, 2022

My backpack got pissed on

A Snapchat story posted by Malcolm Anderson.

Person A: My backpack got pissed on

Person B: L

by Funny sandwich man August 29, 2022

Koala Backpack

An act of a naked smaller male, hitching a ride on a naked larger woman like a backpack. The image looks similar to that of a koala cub on the back of its mother.

Dan was a Koala Backpack to the kitchen to get some snacks post coitus.

by Kile Hanzens January 11, 2023