back door

1. dishonest

2. the anus

3. a malicious computer program installed to allow access by hackers and other malware

I think I just found a back door convenience store.

by Light Joker April 5, 2006

back-door

a word to describe cheap but dangerous medical procedures usually done in secret and often by an unlicensed surgeon

"We have a recent rectangular transection on the left occipital, some kind of back-door brain surgery"
-Dr. Heffner at Jigsaw's autopsy, Saw 4

Did you hear of the guy who died during a cheap, back-door liposuction? that surgeon didn't even have a license!

by butterfly on the wall August 6, 2009

in the back door

In the doggy style position, to act like you're going to stick your dick in the pussy but you stick it in the ass instead.

I bent that bitch over, she thought I was going in the pussy and then BOOM, I went in the back door!

by ThatMotherfucker December 16, 2014

Back Doors

when a bird gets it up tha shit piece

mike: wot u do last night Tisso?
Tisso: I kicked Gemma's back doors in!

by ZOE July 10, 2003

back door

1. dishonest, dubious

2. the anus

They were allegedly running a back door business.

by Light Joker April 8, 2006

back dooring

When a male/female has sexual relations with a friend's boy/girlfriend.

"I think my friend is back dooring me, I saw his boxers in my girlfriend's covers the other day!"

by DellyWasHere May 24, 2012

back-door

A guy's back-door is his asshole.

Every night, my cadet roomie, Matt, comes to my back-door and wants me to let him in!

by USAF Cadet March 29, 2021