Sack the back

To penetrate an anus. Anal sex. Sack to have sex and back as in the behind.

Man that girl looks kinky, i bet she'd let me sack the backQ

by ToeKnee September 17, 2005

Back paint

Busting a monstrous load of jizz on ones back!

I back painted Molly last night after she gave me road head from the bar!

by PeteyPaplo February 14, 2019

Check in the Back

When a customer is looking for a certain store item and they ask an employee to check in the back inventory for it.

Guy : Yo you got a t-bone steak?
Employee: Sir, this is a baby food store.
Guy: Uhhhhh check in the back, the FAR back for dat shit.
Employee: Damn wow we actually have one left

by CheckInTheBack67 August 9, 2016

B-back

Pressing B to warp back to base in games like League of Legends and Smite.

"Sorry guys I'm out of mana, gotta b-back"

"No dude! You just got me killed #$@#%!#"

by terryschaivo September 19, 2016

REEF BACKS

Jacksepticeye’s FAVORITE creature in Subnautica

What the f*ck are those Reef Backs. Said Sean Terrified before he realized that those giant animals will be his best friends ever.

by xXmcfifaXx February 25, 2018

Kickin' back

Relaxing, doing nothing, enjoying yourself, having a few, chilling out, Aussie origin.

What are you doing this weekend? Oh just kickin' back mate.

by Meko Soell September 11, 2010

back tweeter

someone who tweets while having anal sex.

"you're such a back tweeter"

by larry__stylinson July 8, 2012