back on

The act of train surfing on the rear of the train often from station to station. This act is commonly practiced by urbexers, eshays and gimps looking for an adrenaline kick.

Hey bro, did you see the video of Josh doing a back on the other day! What a mad cunt!

by KneeTheBarrier October 14, 2019

Fall Back Website

Whenever you're on a website you probably shouldn't be on or are embarrassed to be on and have another normal website tabbed.

Ginny was watching female porn on her computer while her roommate was out, but had MySpace tabbed for her fall back website in case her roommate came in unexpectedly.

by ClosetBisexual May 21, 2009

diamond back sneak attack

Making a Diamond shape with your hands in the doggie style position and then inserting your thumbs in your girls butt while having sex.

I gave her the diamond back sneak attack and and I held on as long as I could.

by Pacovalaco September 14, 2013

Slap-back Booty

The type of ass that when you slap it, the jiggles make it feel like the ass slaps your hand back

Yo, Sydney got an ass though.
Yeah, I heard she got that Slap-back Booty.
Hell yeah, my hands still stingin from it bro.

by Trojanman Murphy October 2, 2013

pulled back a nub

To have your hand bitten off.

Jerry, that dumbass, was poking a bear with a stick. The next thing you know, that idiot pulled back a nub.

by bartlettville June 6, 2014

Bloody back

Being a whipped bitch in an relationship

Yo you see your girl pretty often. You must have a bloody back

by Rod Peeler September 19, 2016

peeled back

To be heavily under the influance of alcohol or drugs.

"How long has Mic been up?" "Man, hes been up for three days!" "He's peeled back."

by Coreson August 6, 2017