tilt-a-girl Share definition Flag Euphemism for penis (derived from the fairground ride "Tilt-a-Whirl") "A ride on the tilt-a-girl will do you a world of good," said the lothario, gesturing lasciviously toward his crotch. tilt-a-girl by Mary Nightshade December 12, 2009 0 0 Get merch Get the tilt-a-girl mug. Buy Now — $32.95 See more merch