When in a traffic jam and one driver washes their wind shield (windscreen) you will see the cars behind doing the same thing, similar to a Mexican wave.
Person 1: "Look my wind shield is dirty"
Person 2: "Wash it, you will create a washer wave!
Person 1: sprays screen "cool"
Person 2: "Wash it, you will create a washer wave!
Person 1: sprays screen "cool"
by owzDevil November 5, 2012
Get the washer wavemug.