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A shitty carwash is when you cum on a someone's face, then use your dick as a windshield wiper. Alternatively, you can use your hand in a back and forth action. You can also add carwash sound effects as you see fit.
I gave her such a shitty carwash last night, she couldn't see for 10 minutes.

OMG. I think he gave me a shitty carwash. He came on my face then kept rubbing his hand across my face making this awful squeaking noise.
by endearing asshole June 09, 2009

Words related to shitty carwash

carwash cum dick face hand sex