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 slider

A White Castle hamberger, a slider that is eventually regurgitated. (White Castle is a hamburger resteraunt in the United States).

Those sliders I had after I left the bar became backsliders.

by Squid Viscious August 8, 2005

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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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