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The wind a bus makes 10 foot after the bus passes a predestrian!
Jack and Jill are walking home, a city bus passes them and then the bus's slipstream wind hits them and Jill turns to Jack ans says "did you feel the bus-fart" to which Jack says "yes I did"
by Tollywordsmith September 16, 2009
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Technical term for loud the loud air compression sounds buses make when kneeling or opening/closing doors.
I have to put my phone down when I get onboard the bus because the bus fart is too loud to hear anything.

While boarding bus: "Sorry, hang on a second, I'm not going to be able to hear you over the sound of the bus fart."
by soundslikepuget January 10, 2014
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