Back-stacking

Inserting a full bottle of hard-A into your anus to get drunker, quicker.

"I caught my lady back-stacking a fifth of Beefeater."

by Ace Monroe May 31, 2017

Frat-back

Wearing a frat or preppy hat backwards.

Look at that douche with his frat-back.

by Cmaples18 April 30, 2016

restaurant back

When your back is as hard a cutting board, from working in a restaurant.

Man! My restaurant back is killing me today. I need to see a chiropractor, or get a new job!

by Restaurant chick November 7, 2021

cranking back

when you are leaning back in your chair.

my dad busted me cranking back.

by nobody else here May 28, 2017

ass on back

a person whose ass is literally on their back

emily: ariel! ohh snap look!
ariel: what?
emily: its AOB ass on back! :

by Emily Darlinqq January 30, 2009

Sauce Back

a dirty dude with nasty ass barbecue sauce stain on the back of his white polo tee because se showers in sauce.

Sauce Back has a stanky stanky nutsack . Ew Get it the fucc off!

by stankydicccheese October 9, 2019

on someone's back

To annoy someone, to give them a hard time or to be in their business.

Ex. of being on someone's back:

Girl 1 - It's too cold for you to be wearing shorts.
Girl 2 - Damn, bitch get off my back.

by Lalaloopsie17 May 21, 2014