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a lower form of the commonly performed 'follow through'. A bitty gust reffers to the act of farting and excreting small pieces of the previous subjects meal, all over the pants or bowl of the toilet!
steve: hey tom, how r u?
tom: not good steve, just had a curry and did a bitty gust in my pants! it was soooo messy!!!
by Banterbus31 October 16, 2009
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