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the act of squashing your face against your car window in hopes of getting fellow drivers attention. a popular past time for those driving in traffic.

warning: sometimes attracts men in trucks, families in minivans, and middle aged women w. bad hair cuts. results may vary.
when the elder lady drove past kellys car, she was startled to discover a girl face smudging against the window.
by anthony ronaldo July 11, 2006
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