Top Definition
When a driver eats a hard shell taco behind the wheel. The distraction and mess caused by eating the taco causes the driver to swerve erratically potentially causing an accident. Many accidents caused by D.U.I.H.S.T. occur near Taco Bell.
Joe-I totaled my car again last night after taco bell
Tyler-That's the second one this year, were you eating a hard shell taco?
Joe-Yes, luckily the cops didn't charge me with D.U.I.H.S.T.
by nohomofromcomo December 12, 2012

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