Janostril Share definition Flag A girl who is obnoxious, ugly, and rather resembles a horse. She gallops ungracefully. Her nostrils are large enough to suck up the universe. Here comes Janostril, hair flowing in the breeze.... ew. Janostril by TAGGLESxo June 7, 2007 0 0 Get merch Get the Janostril mug. Buy Now — $32.95 See more merch