Used when a person wants to do something to another person (usually sexual or at least somewhat physical). It is used in a vague way to allow the listener to guess what the speaker is implying.
"Man Brannigan looked so hot up there tonight dancing I want to McFlurry him SO bad."
by McFlurrymaster August 28, 2009
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A sexual kink where you insert your penile device in someone's unclean, poop-ridden anus multiple times and ejaculate into it. Then you proceed to stir your penis around in it mimicking the movement of a McFlurry mixer machine.
Mike Hawk: Yoo dude I heard you got some serious cooch from Samantha last night!
Dixie Rex: Nah man, she wanted to me to give her a Mcflurry last night. My little man was not a big fan of it.
by BlackLongMamba January 18, 2023
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The McFlurry is a pre/post-sentence appendage (written or verbal) used in colloquial arbitration and debate to confer confidence in one’s statements and invoke a lighthearted challenge with a friendly inconsequential wager - a McDonald's McFlurry. Direct translation of a "McFlurried" statement may read, “I bet you a McFlurry that (insert sentence).”

It should be noted that reconciliary collection of owed McFlurries is often not practiced amongst friends.

It should also be noted that challenges capitalized by a McFlurry do not always have to be measurable and are often subjective in nature (see example 3).
1. I'd work you. McFlurry.
2. McFlurry she's a man.
3. McFlurry I'm way sweeter than you.
by WillieWillie December 10, 2010
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Shooting your load up a girl's nose while she gives you a hand-job
Should have seen the look on her face when she got McFlurried.
by Scroticus December 23, 2003
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a tasty treat from Mcdonalds ..... also refered as cum in a cup!

Sarah "what you got there sam?"
Sam "a crunchie McFlurry "
Sarah "crunchie cum in a cup..... just the way i like it!"
by batshoes June 13, 2008
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Verb. The verb "to McFlurry" involves person with McFlurry, usually in fast moving vehicle, lauching said ice-cream through open window of another car on a hot sunny day causing massive internal mess and stickyness to occupants of unfortunate vehicle. The "McFlurryer" (noun), or perpetrator of the throwing act, traditionally speeds off, usually laughing manically.
"We McFlurryed some old git at the traffic lights last night, it was hilarious"
by Tigga April 7, 2004
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To have constipation then diarrhoea all at one
Hhhhhhhhhh(straining)nnnnnnnnMc.......(relieved sigh)flurry (accompanied with self satisfied smirk)
by Little Miss Mayonnaise June 7, 2005
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