What is Montana Mudslide?
1.
slipping your partner a laxative, then upon anal sex when she cant hold it in anymore, pull out, thus releasing a Montana Mudslide
my ol lady was complaning about being backed up, so i gave the bitch the ol Montana Mudslide!
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1.
A large mountain of crap that sticks out of the water in the toilet bowl, much like an island in the ocean. This is often the result of..