Backlit

Ejaculating an unfathomable amount of cum on a human males back, typically after engaging in homoerotic activities with a male (or trans male).
The word is stemmed from the phrase "light up my back."

"Dude, how was Thailand? Did you get any of their cheap sex massages?"
"Naw dude, I paid them extra to backlit me! It was awesome!"

Backlit by Svensk och Indisk Pojke September 26, 2019

backbite 

Backbite is when you talk shit behind your friends

She's always backbite her own friends, thats so mean!

backbite by famekilla May 27, 2017

backbiter 

To speak negatively of a friend to others when they are not present

Pearl is a backbiter who will talk about you behind your back.

backbiter by KayahTeh May 27, 2019

backtit

breast-like material that hangs from the shoulder blades. Usually because of obesity.

Hey Piazza, get away from our lunch table-and stop trying to milk your backtits!

backtit by Adwyth November 16, 2006

backbiffle 

An unexpected biffling, most often from behind.

I was just watching the telly and then Joe totally backbiffled me. I won't be able to hear out of my right ear for a week.

backbiffle by ooffy April 20, 2012

backbirth 

(n.) A pejorative whose recipient the utterer believes to have been born through his mother's anus; an assbaby. May be applied equally to those who exhibit stupid, sociopathic, or otherwise fecal behavior.

"Do you think I'm a total backbirth?"
"Dude, quit being such a damn backbirth!"

backbirth by aBoxOfSigns February 15, 2010

backbirth 

A colorful term meaning approximately "hick", "idiot", or "stupid person".

"You think I'm a complete backbirth?"
"He’s a total backbirth."

backbirth by Bob Aman June 16, 2008