Bum Thunder

The act of farting on someone's johnson during anal sex.
James, I'm going to bum thunder you.
by Lady Thunder April 5, 2013
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Thunder Bum

When one has a severe dose of Diarrhea
After eating a very spicy or hot meal which then results in you "Following Through" to the extreme you have a dose of "Thunder Bum"!
by Flattyflatdog October 9, 2011
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