the act of which you bend over, letting air pass freely in and out of your butt hole.
Ariel was really gassy, so she tried butt breathing to relieve herself.
by jjoinky February 1, 2010
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Common insult with obvious implications. The insult is meant not only to indicate someone who who is stupid and / or offensive, but also one who would do an act which would render their breath like someone else's butt.
Hey, butt breath! Move your car.
by Frank Klaune January 24, 2005
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To breathe in a males/females anus & have breath of an anus
"Richard has butt breath"

"Dude, you got some major butt breath"
by TheCan July 1, 2014
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