Back Gap 

The one and ONLY true form of the sexy back that Justin Timberlake can't even beg to differ.

This specific portion of a muscle is also known as an Erector Spinae.

Nobody misses out on this beautiful crevice, please.

Damn girl, I can't wait to take a body shot off of your back gap. I'll let that streamflow right to my mouth from that valley of yours. MMMMMMMMMMMMMMMMM

Back Gap by Darth Maul the 2nd December 17, 2021

back in the gap 

back in the day, a long period of time previous to the present

me and that ole' boy used to chill back in the gap

back in the gap by THCrandomhero October 18, 2006

slipping back into the gap again 

Anyone who read this word can re-define by dscriving what they feel when they listen Push it - T00L

I think it's something pretty deep about loving someone who just hurt's you, but you like that person ALOT though..

"and Im slipping back into the gap again"

, oh, and Natalí, yeah..

She's a good example too

slipping back into the gap again by TheKidAtNight August 22, 2011

Back in the gap 

When a railroad conductor goes in between two train cars.

“Job 825 conductor going back in the gap”, “Engineer understands conductor is back in the gap.”

Back in the gap by Legendary Engineer Q August 19, 2025

Back wood gapped tooth cousin fucker 

A country person with a fucked up grill/ teeth who can't find sex anywhere else but with his/her cousin and they make a bad habit of it to the point sometimes of having kids together.

Guy1- Man Ricky's parents look just alike.

Guy2- Thats because they are cousins.

Guy1- So he has that webbed foot because they are a couple of Back wood gapped tooth cousin fuckers

Back wood gapped tooth cousin fucker by Leoheart December 12, 2010