Top definition
When a car uses their wipers in a queue, spraying the windscreen of the car behind. This makes the car behind clean their windows, spraying the windsceen of the car behind and so on.
normally a dry day & is made of 2 or more cars using their wipers in a row. Largest likely mexicar wave would be in traffic on a motorway or busy road
by B247E August 21, 2009
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