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Famous Trios include:

Harry, Ron, and Hermione(Harry Potter)

The Three Stooges

The Three Musketeers

The Cutie Mark Crusaders(MLP)-Apple Bloom, Sweetie Bell, and Scootaloo

The Bad Touch Trio(Hetalia)-Prussia, Spain, France

And others...
by WhatTheFluff February 11, 2012
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Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
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group of three people. no more, no less.
Krystal, Lupe, And Kat are a trio
by Kat-Kit March 28, 2005
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A group of 3 characters on a t.v. series
In the stranger things Netflix series mike and Lucas and Dustin make a good trio
by Kingsteveharrington5556666 October 02, 2019
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Tri-OS is where you don't discriminate between the three major operating systems (OS) from Apple or Microsoft or Linux. Similar to being bi-sexual but with (3) different computer operating systems.
I've had a long history being tri-OS... First it was with a Windows 95 but it got old, then my second relationship was with Linux but it didn't work out, and my now current relationship is with OS X from apple.
by fp3 June 15, 2009
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insertion of penis and both testicles inside the vagina at the same time.
That bitch was so loose, i gave her the trio.
by Mr. Trio April 05, 2010
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