περί τοῦ πέρδεσθαι οὐ καταισχύνει, πάντων γὰρ περδομένων → as for the farting, he causes no shame, because everybody farts
ῐᾰχά 1 sound οὐκ ἔμειν' ἐλθεῖν παμφώνων ἰαχὰν ὑμεναίων (P. 3.17)