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Stacy: are you ok?
Claire: yeah it’s just my MHD getting to me
by Camie1755 March 15, 2018
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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
stands for "mental health day"

when you're too tired/lazy to go to work/school, so you call in sick. basically a euphemism for faking sick.
Mom: Billy, time to get up for school!
Billy: But I am le tired.
Mom: Then have a nap.
Billy: Can I take an MHD?
Mom: Fine, you lazy piece of shit.
by Blazko March 10, 2008
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