An overly positive profile of a highly visible individual on their organization's official website that details all of his/her accomplishments while omitting any negative, immoral, or imperfect conduct. Portmanteau of biography and boast.
Well according to his bioast on the Neo-Nazi website, Hitler improved the quality of life for Polish Jews more than Moses in Egypt.

Tony Hayward's bioast on BP.com reads like he saved the earth from an asteroid collision on a near suicide space mission with Ben Affleck and Bruce Willis.
by Turbyne July 20, 2010

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