Back door spider 

A definition based upon a descriptive view of a anus!

She was on the rag, so I slammed it in her Back door spider

Back door spider by Seth N. February 18, 2005

Back Door Slider 

whenever you transition to da butt sex position or da doggy styles. usually renders a women unable to sit for 3 days.....

Will: Wow Burto...Chris really did work on her butt.

Burto: yea i hear that he gave Kiera the Back Door Slider...

Will: ROUGH!

Back Door Slider by William Hake October 16, 2008

Back Door Slider 

When you sneak up behind your friend and put your hand in their pocket and grab their junk.

Dom threw Jake a nasty Back Door Slider last night.

Back Door Slider by The Gosh Dang Bruin April 19, 2021

backdoor spiderman 

whilst fucking doggy style take a sneaky shit in your hand and as u climax slam the shit into the side of the woman's face

i totally backdoor spiderman'd that bitch

backdoor spiderman by olgathebearjew April 14, 2016

backdoor slider 

While in the doggy style position, a man attempts to slip their penis into the woman's asshole without permission.

My girlfriend got really mad when I tried to throw her a backdoor slider last night.

backdoor slider by downpat75 August 3, 2008

Backdoor Slider 

When a man makes love to the crevice of a woman's butt by sliding his cock between her cheeks until he blows a romance explosion onto her back.

guy 1: "Dude I gave that bitch a backdoor slider last night!"
guy 2: "No way bro!"

Backdoor Slider by schneider9688 September 26, 2009