vomaventilating Share definition Flag hyperventilating and wanting to vomit,barf, and/or hurl. usually done while freaking out OMG NERD LOVE! i'm vomaventilating! Someone find me a brown bag and/or a barf bag! vomaventilating by derhammerine October 8, 2008 0 0 Get merch Get the vomaventilating mug. Buy Now — $32.95 See more merch