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To go full McIntosh is to say something so spectacularly stupid, so utterly devoid of reason and logic, so completely disconnected from reality, that it could only have come from the mouth of Jonathan McIntosh.
"Not a coincidence it's always men and boys committing mass shootings. The pattern is connected to ideas of toxic masculinity in our culture."
"Dude, you just went Full McIntosh."
by tyrone88 October 24, 2014
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
A sex act that involves getting pegged while having a pair of hoop earings tightly twisted around the testicles.
Jon is so much into being a submissive now, I hear the only way he can cum is when Anita gives him a Full McIntosh
by PiddyX April 02, 2015
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3
A person in the midst of a cocaine binge.
Bob got a key of coke and went Full McIntosh.
by FUBARofPittsburgh December 07, 2015
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