A word used to express expression. A noise used to make a tense situation less tense...
Origin: Sounds like a techno song ("Untz untz untz untz untz. I'm raving. Untz untz untz untz.")(Word me and my cuz made up...)
Girl: WHAT IS YOUR PROBLEM?!?!
Other: well.. I...hmm...
Girl: spit it out!
Other: Unss!!!
Girl and other: HAHAHAHAHAH*snort*HAHAHAHAHAHA.
by Jessie-poo December 12, 2006
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