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1.
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

Words related to Smash your back doors in

anal sex back buggery bumming butt plugging. doors in smash sodomy your
 
2.
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