A polyamorous relationship between two males and a female. The details of who is dating who is up to the people involved. In some, only one partner is engaging in polygamy/polyandry while the other two are monogamous. Since these triads can be very different, the seriousness of these relationships can vary.

MFM stands for Male, Female, Male as opposed to FMF (Female, Male, Female) which describes the genders of the participants involved.
Guy: "Hey Dude, how's your MFM triad working out?"
Dude: "Not so bad. But hey, ya don't have to call it MFM ya know."
by Jacksper September 24, 2018
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The dark triad personality consists of three characteristics: narcissism, psychopathy, and machiavellianism. These kind of people tend to be sly and seek any type of control. They also tend to be hot.
"He's the epitome of the dark triad"
by the.cat February 23, 2018
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It's when you cum in a girls mouth, pussy, and ass, all in the same night.
Dude i just gave lindsay a dirty triad cause she's a whore
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The collective nickname for three major fraternities founded at Miami University; Beta Theta Pi, Phi Delta Theta, and Sigma Chi. Phi Kappa Tau was founded at Miami also, but for whatever reason isn't included in this collective nickname.
At some schools the three fraternities usualy come together (and pretend that they like each other)to have one major social every year.
The "Miami Triad" social this weekend will be a TOTAL sausage fest. At least it usually attracts some sexy soro-chics like the Chi Os, Gamma Phis and DZs.
by Vote for Pedro May 27, 2008
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Syndrome including fanny fatigue, restless legs, and poor concentration or difficulty reading acquired after extended periods of sitting/studying/reading
The studious medical student presented to the ED with Gunderson's Triad following many days of arduous studying without compensatory physical activity.
by cjb83 November 13, 2008
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An iterative set of three self-references: duality, congruence, and the inverse/obverse relationship that delineates the orientation of conscious with respect to the metaphysical.

The Vikaas triad is also called the tri-functional hypothesis.
The Vikaasian triad implies that the two elements (nihilism and illusion) of the duality underpinning consciousness become congruent in metaphysical space; and that consciousness creates physical reality rather than the converse.
by sandrashine June 9, 2018
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The Triad of Evil, often abbreviated triad, is an organization of three critical and sarcastic out of state students who chose to attend college in Greensboro, NC. They are most likely found mocking the south and it's residents for their own amusement. They especially enjoy it when North Carolina residents insist on the incorrect pronunciation of Appalachian.
"I knew what you was doing, I ain't stupid" said the Triad of Evil.
by The Triad August 31, 2006
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