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1 definition by Austin,Tdub, Dmoney,Smorilla

Referring to one who is a huge douche bag. That said person shoots their mouth off while simultaneously maintaining douche bag status.
That girl in your finance class who answers the professor's rhetorical questions outloud is the epitome of a douche cannon.
ayon kay Austin,Tdub, Dmoney,Smorilla ika-04 ng Abril, 2008