Backwards Unicorn Share definition Flag When a person (usually a girl) straps a dildo on his/her head and inserts it into a guys anus. Man I love strapping a dildo on my head and inserting it into a guys anus! I love the Backwards Unicorn! Backwards Unicorn by Clayton Mcquinn August 2, 2016 0 0 Get merch Get the Backwards Unicorn mug. Buy Now — $32.95 See more merch