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Usually happens with males. Commonly referred to as a fart with substance. In the act of flatulence, i.e. farting, fecal matter is expelled out and into the pants of the farter, normally wet and runny likened to gravy train dog food, hence buttchow.
Yo Larry man, I had some bad food the other night, got a really bad case of the walking farts and damn if I didn't blow buttchow in my shorts.
by JTP October 13, 2006
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buttchow:

Usually happens with males. Commonly referred to as a fart with substance. In the act of flatulence, i.e. farting, fecal matter is expelled out and into the pants of the farter, normally wet and runny likened to gravy train dog food, hence buttchow.
Yo Larry, I had some bad food the other night, got a really bad case of the walking farts and blew buttchow in my shorts.
by JTP October 14, 2006
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Get a Buttchow mug for your daughter-in-law Rihanna.
3
buttchow:

Usually happens with males. Commonly referred to as a fart with substance. In the act of flatulence, i.e. farting, fecal matter is expelled out and into the pants of the farter, normally wet and runny likened to gravy train dog food, hence buttchow.
Yo Larry, I had some bad food the other night, got a really bad case of the walking farts and blew buttchow in my shorts.
by JTP October 14, 2006
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Get a Buttchow mug for your girlfriend Beatrix.