any insect of the Tephritidae family, whose larvae damage plant tissue.
any insect of the Drosophilidae family, whose larvae feed on ripening fruit, especially the species Drosophila melanogaster that is used in genetic research.
A woman who enjoys the company of homosexual men; a "fag hag".
Any small insect of the order Diptera, specifically within the suborder Nematocera.
An annoying person.