bum breather

when someone's breath is so terrible it smells like a fart

can also be used for someone who constantly talks nonsense or non-believable stories. Also know as a sh*t talker

That girl last night was a serious bum breather, I almost puked when she talked to me.

All he does is bum breathe, you can't believe any he says

by slash182 February 20, 2011

explosive bum breathe

The act of setting on fire one's fart and lighting a fuse on an explosive with said fart.

Billy set off fireworks on the Fourth of July with his explosive bum breathe.

by Wizard Lizard May 10, 2014