Whenever you are on the can and grab a couple sheets of toilet paper and cup it over your butthole to filter the sounds of your erupting bowel movements.
Are your walls paper thin? Afraid your roomates or your significant other with hear your compressed explosions? Then use the fart-filter method.
by kris ault January 22, 2009
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Fart filter when speaking about someone who talks a lot of shit knowing to filter what they say
You know when talking to him you need a fart filter
by Markbabi March 21, 2017
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