An Ancient Greek Joke

Γραμματικοῦ θυγάτηρ ἔτεκεν φιλότητι μιγεῖσα   παιδίον ἀρσενικόν, θηλυκόν, οὐδέτερον. 

A grammarian’s daughter, having 'known' a man, gave birth to a child which was masculine, feminine, and neuter. (translated by W. R. Paton)

Taken from the Greek Anthology  9.489 and attributed to Palladas