Top Definition
A "Breath Alcohol Test" bus they have here in Austin, Tx. They take you there if you have been pulled over for suspicion of DWI to blow in the machine.
"Man dude Johnny was swervin so they pulled him over and took his ass to the BAT bus. Hes fucked now".
by coomofo78681 November 04, 2008
5 Words related to BAT Bus

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