A sexual act where one person wraps his/her head in saran wrap and watches as the asshole opens and closes from another person who is crapping on thier face.
Guy 1- "I heard Tommy really loved it when Janice gave him a DIRTY WINDSHIELD"
Guy 2- "I heard that also..."
Guy 1- "Could you give me a DIRTY WINDSHIELD?"
Guy 2- " Oh but of course!"
by PA Control January 11, 2011
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When a male takes his penis and rubs a vagina vigorously right to left while she is urinating, both male and female get urine splashed on them.
I walked in on my grandpa giving my grandma a dirty windshield and I got pee on me.
by Slingblade1170 June 11, 2016
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When you are having sex and 'skeet-skeet!' on the girls face. Then, use your penis to wipe it back and forth like a windshield wiper and smear it on her face.
"This girl was doing the deadfish in bed so I gave her a Dirty Windshield."
by supergirlreceptionist November 02, 2011
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placing goggles or other form of eye protection on a person and then defecating or rubbing fecal matter on the goggles.
dude last night i gave my girldfrind a dirty windshield.
by twizzle September 03, 2006
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When a girl gives a guy a hand job and he busts on her hand she proceeds to wipe the cum on the guys face.
Dude, i was getting a great hand job and all of a sudden she gave me a dirty windshield wiper>
by nippleteaser7 May 16, 2010
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