chnoof

The sound that's made when synchronization of nostrils and mouth when inhaling -or- snorting prescription medications and/or other mind altering substances

Man, you gonna chnoof that or what?!
*schnooooof*

You left a little bumpskii
*chnoof*
There you go man - waiiit a sec -

Umm.. bro, I accidentally mixed up the bags..

That was my grandfather's ashes you just chnoofed.