Top Definition
A device for preventing the smell from some people's asses from affecting the productivity of others. Manufactured and fuelled by the Anal Emmisions Commission.

This is neccesary for those who eat a great deal of feet. In particular, Hobbit's feet.
"That stinks you shit, get a fucking ass filter!"
"You've got bowel rot! At least get an ass filter you stinky novice"
by Vindavjck November 19, 2004

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