noun. Like a cockawhatever, but more famous. Not necessarily more hygienic.
Related terms: celebubot, celebubrat, celebucaust, celebu-chef, celebudrunk, celebudude, celebu-ex-con, celebufreak, celebu-gasmic, celebu-idiot, celebu-mediawhore, celebupod, celebu-rexic, celebuspawn, celebu-shambles, celebutard, celebutart, celebutot, celebuturd, celebutwin, celebu-wraith, golden celebutwit triumverate.
Real citation: “I wouldn't put it past any celebuwhatever--they routinely amaze me with their hairbrained schemes (has SL *done* anything other than be born to famous people?).”
(Dec. 28, 2005, Bad Advice, http://badadvice.typepad.com/my_weblog/2005/12/cry_for_help.html)
Made-up citation: "I'd love to be a celebuwhatever, but I am just a tin-plated robowhatever, built to destroy. Meep-meep, bzzzzzzt-meep, bzzzzzzt-meep."