According to the Oxford English Dictionary (7th ed.): "an odd fossil, originally thought to be that of the extinct chatterbird." Derived conjecturally from the Middle High German "duhvap", ("cretin", "tard").
by Luther Blissett January 15, 2004
by far the most-spnaked usenet troll in history. so far there have been over 130 new groups created to spank, er... i mean "honor" him.
by luther blissett January 14, 2004