Massive, putrid, uncontrollable diarrhea which strikes after eating McDonald's fast-food.

Usually strikes when you are the furthest away from a toilet. Being mostly liquid, there is no holding back Ronald's Revenge. The quicker you waddle, the tighter you clench, the faster it comes out.
If you eat McDonald's you better wear your Depends.
Goes down good, then comes Ronald's Revenge!
by ageeksayswhat October 16, 2016
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The upset stomach one gets after eating at McDonald's.
I just ate a Big Mac and have to run...I've got Ronald's Revenge!
by ToddXYZ August 8, 2014
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1) noun - informal;
Diarrhea suffered after the consumption of McDonald's food.

**Term was created at the historical moment of 12:43pm EST on January 3, 2016 by J. Maran in a conversation with T. Velez about Mr. Velez not eating McDonald's any more.
"I ate a Big Mac and Fries earlier; now, I got a case of Ronald's Revenge."
by Spiderman is Gay January 3, 2016
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A sex act where a man covers a woman’s vagina in honey mustard from McDonald’s then inserts a single McDonald’s French fry into his urethra then proceeds to have violent sex with her and during the whole experience he calls her his “little hamburger clown
Guy1: hey bro what did you do last night?

Guy2: oh nothing, I just gave my girl the Ronald McDonald’s Revenge.
by Samthememe777 January 24, 2020
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