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

by Seth N. February 18, 2005

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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!

by William Hake October 16, 2008

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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.

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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

by olgathebearjew April 14, 2016

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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.

by downpat75 August 3, 2008

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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!"

by schneider9688 September 26, 2009

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