Someone who deserves to have a pool cue shoved up their ass and then waved around like a flag.
That guy at the pool hall, Brett, is a real assflag.
by Dan September 24, 2003
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Alternative spelling Ass Flag or Assflag. Short for the game "Assassin's Creed: Black Flag", of the series also known as Ass Sass for short.
Assassin's Creed Origins is the best game in the series since AssFlag.
by felixh December 19, 2017
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