Top Definition
To bang someones back passage with either a penis , cucumber or rolling pin!
Hmmm Smash your back doors in - Do we really need an example?? I have pictures if that would be more useful?
by Steffithebackdoorsmasher June 17, 2011
10 Words related to Smash your back doors in
The act of anally penetrating someone.
As the girl walked by, Oz said "I smashed her back doors in"

Mike said to Edie "Can I Smash your Back doors in?"
by Flangeman100 September 11, 2009

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