monkeys tail Share definition Flag The aftermath left after sitting too far back on a toilet seat whilst waving a brown friend off to sea "Oh my god, i'm gonna be sick, theres a monkeys tail on that seat!" monkeys tail by Mr. Flibble & Gopher_By_Fender May 12, 2006 0 0 Get merch Get the monkeys tail mug. Buy Now — $32.95 See more merch