1 A whirlwind, whirlpool, or similarly moving matter in the form of a spiral or column.  An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.
In the 1950s and 1960s poopy actually described those who were like a poop, which meant a stupid person. The first appearance of poopy cited by the OED is one of these usages, from a 1957 issue of The New Yorker, which described âsome nice old poopy elder statesman.â.
Comments5k Share. 1  Derpy, also known as Muffins and Ditzy Doo, is a female Pegasus pony who was given the name Derpy Hooves by the show's internet following due to her cross-eyed derpy expression in the first episode. The name has since been adopted by the crew and Hasbro.