If you’ve ever walked into a multi-stalled bathroom at your office building, you know the dilemma to which I refer. The stench is overwhelming and rightly so, considering the purpose of the bathroom itself. You’re going to inhale someone else’s ass gas, regardless. The question is whether it is better/safer/more hygienic to do so through your nose (where you get the full body and flavor of the odor) or through the mouth (where it’s almost like you are swallowing someone else’s crap)?
I wait for it to dissipate. Otherwise, if I’m practically touching cloth and have to go right then, I’ll breathe through my shirt or a bit of toilet paper, queer as it might sound.
To answer your question, I prefer the nose. At lease you have nose hairs and mucus to help and it’s not brushing by your tongue so much.