出物腫れ物所嫌わず
Meanings
1
when you've got to go, you've got to go; farts and boils aren't choosy about where they appear
A proverb meaning that bodily urges (like farting or boils appearing) cannot be controlled or delayed, and will happen regardless of time or place. Often used humorously.
My stomach started hurting during the meeting, so I said 'when you've got to go, you've got to go' and left my seat.