A major fart, potentially dangerous to the eye, that Bart Simpson ejects out of his ass.
Oh no! A Fart Bart. Ewww...
by Fish Boy o.o August 9, 2007
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when riding bart (bay area rapid transit) and you release a nasty fart and watch the rest of the train slowly move away from you in disgust.
Sally: Whats that smell?

Johnny: it must of been a bart fart
by cdeezybz September 23, 2009
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Fart makes a rude bart so he is told offf!

bart farts his class to a punishment
by xdr5t3evq3q October 27, 2023
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A “Bart Fart” is a person or animal that doesn’t know how to clean their ass.
Look at that bart fart! They really need to clean themselves
by bart fart July 12, 2023
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