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when someone,usually a male, clamps there ass cheeks on a persons nose(usually alseep) and then farts. a very horrible experience.
chris:dude last night i gave fred an anus fly trap
jp:he deserved it.
by bmxking March 28, 2005
When you put down a layer of toilet paper or a paper towel in the toilet bowl to prevent splash back from taking place when your planning on dropping some heavy freight. The weight of the freight causes the paper to fully envelope it and cause it to be consumed by the paper.
After I took a heavy dump, I tried to take a look at the damage, but the anus fly-trap had already consumed the evidence.
by AUsome January 14, 2013