A class of fairy originating from the anus or lower intestinal region.

Commonly used as a pejorative.
"You're a buttfae!"
"The first buttfae were discovered by Baltimore City Sewage Treatment Engineers in the summer of 1994. Since then, seven different species of this rectal fairy have been discovered."
by Treatment Engineer July 25, 2008
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In Mohselum, it is the act of being outside.
Mohse, where are you mohse, “Buttfa”
by Nada’s Knockers August 26, 2021
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