It's starts as a sneeze but ends with vomit. Likely to occur when you have the flu and a gastro bug OR when some has eaten a really hot dish which they can't handle.
I'm not feeling so good. I think I'm going to sneeze

"ahh, ahhh... huurghghgh"

Oh no there's Snommit everywhere!
by Micko1978 February 12, 2016
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A phenomenon that ocurrs when a person is too sick to consume anything but his or her own snot and then vomits said mucous.
This flu is really starting to get to me. Will you hold my hair while I snommit?
by jctrouble March 23, 2005
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