It's when u collect semen and sweat out of the asshole of your partner , add vodka and orange and then put it in a soda stream to add some well needed fizz
Robs swinger's party was going so well , he kept providing the backdoor fizzy all-night
A "Backdoor Turtle" is when you have to poop really bad and the poop is actually coming out of your asshole and popping back in and out really quick.
Ohh man my turd is poking out like a Backdoor Turtle.
When you’re banging two girls from behind back and forth
“Last night I did the backdoor nachos and I got two stinkies on my dinky”
To penetrate the anus of a human being or some other animal if you're into the whole bestiality thing.
Angie got pissed at Jimmy for using the backdoor without anal-eze
The act of a dude sucking off another dude, and spitting the load into the ass crack and lavishly eating it back out.
I'll take that backdoor slurpee Blake ;)
When making sweet love to a chick with a fine ass from behind and you pull out and thump her a few times on the butt cheeks and give a couple quick barks/yips of pleasure.booty sex doggystyle
Amy's ass was so fine, I just couldn't help myself, so I gave her a Backdoor Yorki!
Simlar to the French Kiss. (A kiss with a tongue), but instead of oral, you use anal activity.
Dude have a mint, your breath smells...
I Gave your mom French Backdoors last night, thats why my breath is not fresh anymore.