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?
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.
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.”
Man who loves men but doesn't associate as being homosexual.
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?"
A tall man who cannot make a lay-up to save his mama's life
Oh you bricked a lay-up. You must be a William Ferguson
Mrs. Williams is the type of person who thinks that 0 is the end of the ruler.
Are you Mrs. Williams?