hilariousity Share definition Flag so funny you crap your pants, so funny you can't breathe, state of being VERY VERY funny a nerd gets pantsed and that was so hilariousity that you crapped your pants hilariousity by Steph&Stef August 17, 2007 0 0 Get merch Get the hilariousity mug. Buy Now — $32.95 See more merch