headjack 

in football when a player if facemasked, and his head is trusted backwards.

commentator 1: "did you see that face mask?!"
Commentator 2: "yeah, it was a total headjack - he could have got whiplash"

headjack by Lauren December 28, 2005

Headsack 

A ballsack as hairy as your head's hairs.

Bob: Can I borrow your condoms?

Bill: Fuck no, your headsack will protect you all you need!

Bob: Headsack?

Bill: YES your fucking HEADSACK

Headsack by someone who is urban, duhh March 19, 2019

Headback 

Whe you throw ur headback

This dude went to a concert Headback the whole time!

Headback by TrumpTheKiđkissingSexoffenđer. June 16, 2020

Headbacked

When you throw your headback real far!

This dudes headbacked at the concert!

Headbacked by TrumpTheKiđkissingSexoffenđer. June 16, 2020

HEADBACK 

When you want some of somebody’s drink but you don’t wanna put your mouth on it

When you put your HEADBACK to get a drink poured in your mouth

“Im thirsty ,let me get a HEADBACK!”

HEADBACK by YouaClown August 8, 2021

headback 

The back of someones head, or used to refer to someones whole head with emphasis on the rear piece of that head. Mostly used in a negative context.

They blew out his headback. His headback got lick off. His headback is swell up.

headback by LondonsPhilly July 19, 2022

headback 

The back of someones head, or used to refer to someones whole head with emphasis on the rear piece of that head. Mostly used in a negative context.

They blew out his headback. His headback got lick off. His headback is swell up.

They blew out his headback. His headback got lick off. His headback is swell up.

headback by LondonsPhilly July 19, 2022