1 definition by pugmahon

Top Definition
Someone who is not only being a chach but is also being an idiot at the same time. ie someone cutting you off in traffic because they're talking on their cell phone or doing some other task.
Mary was a chach clown when she cut off a car to get into the left lane and then went 5 miles per hour under the speed limit.
by pugmahon August 01, 2009

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