A really big fart. Big enough to shake the room like a dinosaur. Dino = big like a dinosaur, flagellate = flatulent.
That was a dino-sized fart. Like, a dinoflagellate!
by blarghvierdes September 24, 2010
whore, female dog, ugly, annoying
"She is such a dinoflagellate!"
by antidinoflaggelate May 10, 2006