Nicarchus, Greek Anthology 11.242
“I can never tell whether Diodorus is yawning or farting; from the top or from the bottom, it’s the same smell either way.”
Οὐ δύναμαι γνῶναι, πότερον χαίνει Διόδωρος
ἢ βδῆσ’· ἓν γὰρ ἔχει πνεῦμα κάτω καὶ ἄνω.
Diodorus = Di-Odorous