Trolling for vampires Share definition Flag When a girl is on her period, she is trolling for vampires. Synonym: Riding the cotton donkey. "You going downtown?" "Not while my bitch-woman is trolling for vampires." Trolling for vampires by Jesys Chryst July 1, 2005 0 0 Get merch Get the Trolling for vampires mug. Buy Now — $32.95 See more merch