The noise you make when you snort and almost swallow your tongue at the same time. Usually happens when you are laughing hysterically when you're high.
Every timeBob would laugh, he'd snarlf because he was so baked.
Scuttle:
Now, the snarfblat dates back to prehistorical times, when humans used to sit around, and stare at each other all day. Got very boring. So, they invented the snarfblat to make fine music. Allow me.
"I think we've all sneezed and farted at the same time and farted and cum at the same time, but sneezing, farting, and cumming at the same time, or snarfacumming, is truly special."