kick the back door in 

During sexual activity. A term relating to taking a lady up the back passage.

Kick the back door in:
'Have you kicked michelle's back door in yet?'

'Things got a little frisky las night and i ended up kicking her back door in!'

kick the back door in by Beans57 November 7, 2006

kick the back door in 

to park your pink vehicle in her brown garage (with force)

I flipped her over and kicked the back door in!!

kick the back door in by G August 4, 2003

kick in the back door

to be penetrated rectally, generally by a penis.
Being buggered.

He is so hot i'd give him a kick in the back door

kick in the back door by master luke July 10, 2006