It’s water off a ducks back

It’s water off a fucks back

And believe me when I say it’s water off a ducks back

by Leahh92 May 20, 2018

Fat back

Some one who has a fat ass back.

I called one of my friends a fat back because they have a fat ass back!

by Gay legs May 25, 2018

paper backing

to smack one's behind with a soft cover college textbook while they are on all fours

Billy: "Sarah's so kinky man, she's into paper backing"
Josh: "Which textbook did you use?"
Billy: "The calculus one, man"
Josh: "Hot"

by asdfmaker May 30, 2018

Back of the steel drums

Anal, especially in a band room or with instruments

"Bro, Sharon let me in the back of the steel drums last night!"

by Federal Felicia June 2, 2018

Blow back

When your blowing drugs through a straw into a girls ass and drugs blow back in your mouth when u stop blowing.. to avoid this use a twisty straw to blow coke and molly into a girls ass.

Becky! Damn u gotta relax when I blow, I just got mad blow back in my mouth. It tastes awful

by Poppy2286 June 5, 2018

nut and back

to stroke someone from the testicals to the tip of the cock

the world is stroken me from the nut and back

by fagatron June 6, 2018

Back ass

When a person has no ass and their crack looks like its in the middle of their back. They're flat as a board on their back end.

"Damn.. did you see his back ass?! I couldn't tell where his ass starts and his back ends.."

by amberrlynn June 7, 2018