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1.
When you wake up in the morning and find you've shit yourself while you were sleeping. (Also, see wet willy for the piss version.)
"I had a really bad dirty donnie last night. Don't eat donuts before you go to bed."
by Chocolate Custard April 06, 2009
2 4
 
2.
After engaging in anal sex, the female then shits all over the floor, and pees into a nearby bucket.
"Dude, did you hear what happened to Kevin"
"No, what!"
"He was doing some fat chick last night and she pulled a Dirty Donnie all over his kitchen!"
"Thats fucking nasty"
"Tell me about it"
by pauliebrownie June 20, 2006
4 7