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.
group of three people. no more, no less.
Krystal, Lupe, And Kat are a trio
n. pl. tri·os
a. A composition for three voices or three instruments.
b. A group of three singers or three instrumentalists.
c. The middle, contrasting section of a minuet, scherzo, march, or various other forms.
2. A group of three.
3. A term used for a situation where a person has sexual intercourse with a set of three friends. For example, a boy who has sex with a group of three friends is said to have 'completed the trio'
"Did you hear about Tom? He porked Hannah Walker last night"
"Really? Does that mean......"
"Yeah, because he rooted Jenny,Zoe and now Hannah, he's completed the trio."
"He'll definitely have the bad aids now then"
Your mom plus two guys.
The trio will have a good time tonight. Wink.
A group of three friends.
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
insertion of penis and both testicles inside the vagina at the same time.
That bitch was so loose, i gave her the trio.
three hetrosexual men that hang out once a week and support each other in a hetrosexual way
"Chris, Nate, and Sam are the trio and enjoy trio night, in a hetrosexual way."