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1.
When the dominant male uses trickery and deception to convince their prey to peer bending over into a waste disposal container, then proceeds to "Filthy the Ronald" (also known as plugging the poop pipe). With each pelvic thrust, the head of the aforementioned Ronald that is being filthied, strikes the inner side of the waste depository.
"dude, anton clifford, theres 20$ in theat garbage can over there!"
"really?"
"yea"
as anton clifford looks for it he gets a filthy ronald.
by bert_fegg May 31, 2004
 
2.
The act of a girl receiving anal sex by a man wearing a clown suit to make him look like "Ronald McDonald"
I gave this chick last night a filthy ronald so bad she wanted a big mac
by Marc Retilly May 14, 2008