phlakkegm 

The result of hackups that don't get caught before they hit the open air in front of you; sometimes induced by a sudden sneezing spell.

"Wow, didja see how that dude's phlakkegm decorated the whole mirror he was facing?"

phlakkegm by jimmiedavurdmeister August 16, 2007

phlakkegmatic

One who is continually and/or routinely involved in the production of phlakkegm.

Stay clear of Melton over there, he's a phlakkegmatic.

phlakkegmatic by jimmiedavurdmeister January 2, 2009