Man-et Share definition Flag The nickname of a girl named Janet, used to illustrate her bro-ness. "Hey Janet, how's that thug matrimony treatin' ya?" "Bro, bro, call me 'Man-et.' It makes me feel one wit da streets, homes." Man-et by Gooob February 5, 2008 0 0 Get merch Get the Man-et mug. Buy Now — $32.95 See more merch