left lane car wash
The act of spraying an excessive amount of washer fluid (especially on sunny days) on the car behind you after you've pulled in front of them. Typically used to serve vigilante justice to an inconsiderate left lane bandit.
Man, there were so many left lane bandits out there yesterday, that on a 2 hour drive I went through 3 gallons of washer fluid handing out the ole left lane car washse.