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Noun. A annoyance (usually a person) that refuses to go away and simply causes anger and despair. The original term was due to a great mish-mash of words entering the mind in a somewhat confused state. The origin is of a certain Robert Smith of Leeds, England.
"Hahahahha, you suck," Josh.
"Josh stop it You goddamn Flabberpunk." Rob

(Eruptions of laughter at the creation of a new insult....continues for 10 minutes)
by Josh Cohen March 29, 2005