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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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Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
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2
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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3
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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4
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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5
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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