When a boy breaks 6 of his ribs to suck his own dick while his mother cooks chimichanga on his deformed back.
-Jimmy did a Dirty William Dripfoe last night! He's in the hospital.
by Cachopolla April 16, 2022
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When a guy cums in your mouth after vigorously completing oral then eating your pussey and having an hour long makeout session
Guy 1: Last night we had such a dirty William

Guy 2: Did you lick in there really good?
by Shlong licker December 5, 2020
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Dirty William is the stain in your Underwear after a long day of hauling dirty boxes out of the basement filled with heavy paper after having large amounts of Taco Bell the night before and Letting out juicy farts on every other step.
Do you have another pair of shorts I have Dirty Williamed mine.
by Big Red Daddy September 10, 2021
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The highly erotic act of being filmed while receiving a handjob on the penis from one hand, whilst also receiving a handjob on the penis-hat from the other hand. The camera is angled from above in such a way that the human-penis ejaculate appears to be cumming from the hat-penis.

This activity is performed on a daily basis by many.
“Bro I saw that video of you, how the fuck did your hat cum on that girl’s face??”

“It’s the Dirty William dude, look it up. Everybody’s doing it.”
by Karotix5 March 5, 2021
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A Dirty William is when bust a nut all over the apple jacks cinnamon stick, while a star nosed mole crawls into your asshole.
"Dude, did you hear that Brady pulled a Dirty William?"
by FortniteHawk103 April 30, 2023
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