One who rapes 3 things/people/persons at the same time.
Man 1: WTF IS THAT!
*Person is raping a trash can, dog, and woman at the same time*
Man 2: Fucking Tri-Rapists.
by originalgangsta1! October 17, 2010
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NOUN:
Someone, usually Australian, who doesn't believe in the true origins of Australia III - modern day Australia scientifically spelt Australiiia or called Australia Three.

and/or has failed to gain the common knowledge that there are/were two previous Australias (Australia I and Australia II also spelt Australia and Australiia respectively.

Reasons someone might be a tri-sceptic include (but aren't limited to):
1) Having moved from a different country and so wasn't taught of this general Australian Knowledge

2) Having had a change in syllabus/areas of study in Australian Schools

3) Having been educated at a school that shuns this history (most common are Catholic schools)
Person 1: Oi nahhh I theres only one Australia

Person 2: You dog, I didn't know you were a tri-sceptic
Person 1:
by theAustralianknowItAll April 05, 2018
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Basically, a word for Germany. Refers to the three colours in the nation's flag. Can also be used referring to New York, New Jersey and Connecticut, as in tristate
Germany is the Tri-State

"Get it back to the Tri-State" - Desiigner, Outlet
by BALLOUTGERMANY February 11, 2017
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Tri-state punk is a style of punk and emo music originating out of the New York Tri-state area. The New York Tri-state area is New York, Connecticut, and New Jersey. Philidelphia is also included in the Tri-state punk scene, despite it not being in the Tri-state area.

Examples of Tri-state punk bands are: Modern Baseball, The Front Bottoms, and Sorority Noise
"What kind of music do you like?"

"I'm a fan of Tri-state Punk"
by nammmmmme October 06, 2020
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Showering/pooping while drinking a beer and simultaneously bopping the bishop "masturbating".
Tom was short on time so he decided to go tri-tasking.
by Porno-corndog9 April 15, 2010
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Thunking with 3 or more people, basically the dirtiest orgy imaginable.
Chick 1: "Fuck I'm so sore"
Chick 2: "Yeah, that tri-thunktum was nuts! I didn't think it was possible."
Chick 1: "I know! Did you see that guy's *****? How did it get there?"
by fukmi June 14, 2010
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