A wonderful series of movies with the main pornstar being Kristin.
Kristin is great in Back Door Sluts 9. A.K.A BDS9!!!
by josh69 May 2, 2007
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To have anal intercourse with a woman. How to ask a escort if she does anal.
Do you want to do back 9 tonight baby?
Do you do back 9?
by JB420inthehouse October 29, 2020
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