backdoor milkshake

the process of person A inserting milk into person B anus doggy style. Once person B caboose is filled up, person A then aligns mouth with person B butt hole. Person B then farts out a stream of milk into person A mouth.

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by balla1234 January 31, 2009

backdoor lunchbox

Oral ministrations of a lady on hands and knees, rear in the air, proffered like an open, old-school work lunchbox, usually with the main course in the lower section, and something special up top.

She offered me her backdoor lunchbox and, unable to decide between top or bottom, i ate both.

by Nostrovio May 20, 2023

using the backdoor

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

by Elvis's Sideburns May 22, 2015

backdoor turtle

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.

by Johnny Do-Good October 28, 2013

Backdoor yorki

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!

by BabiAngel December 12, 2016

backdoor slurpee

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 ;)

by Cokecan68 May 7, 2022

Backdoor Nachos

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”

by WhiteTexts May 3, 2019