1 definition by Dr. Voodoo

One who fucks in the back of a car. Originates from the sloshing sound the gas in the tank makes as the car rocks back and forth.
Fitty Peso is a slosher because he fucked that one girl in the back of some kids car the other night.

Hey slosher whats up. You're a hoe.
by Dr. Voodoo October 09, 2006
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