Someone who acts irresponsibly or with stupidity.
dude1: what the hell/s he doing?
dude2: ahh, what a fecking trivial
dude1: right on
by Carnophage December 16, 2004
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Trivial Matters: Things in life that have almost no value. A lot of people care too much about these things and some use these matters against others to boost their self esteem.
Mary: Karla misspelled you're on Facebook. That means she is stupid and I am better than her.
Amy: You should not judge people on trivial matters. She is probably very smart in her own way and that could have been a typo. It's Facebook! Chill out and stop caring about stupid stuff.
by Universal One Love October 27, 2013
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Non-Trivial is sometimes used by engineers / scientist to (jokingly?) describe the extremely difficult problems that they are faced with.
Some Non-Trivial problems.

The Mechanism Behind High-Temperature Superconductors
Earthquake Predicting
What Is Dark Matter?
Build this suspension bridge out of string and Duct-tape.
by Owza October 8, 2010
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Feeding bad information or faulty logic to the opposing team when playing Trivial Pursuit in an effort to steer the team toward the wrong answer. Especially effective when done under the guise of lending a helpful hand.
Johnny's encyclopedic knowledge of geography and sports history, combined with the expertly-disguised stream of trivial disinformation that he gave the enemy, won the game for us tonight.
by jboyardee October 4, 2007
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A wicked board game of question and answer. Now comes in 1st edition and Twentieth Century Edition
Forget Monopoly. I'm in the mood for something more challenging, like Trivial Pursuit!
by Denis Baldwin October 9, 2003
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When playing trivial pursuit, if you answer a pie piece question right, you do a line of cocaine.
"Totally thought my dad was a stiff until he told me about how he played trivial purtoot in college."
by TribalWangWarrior December 20, 2009
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The long ass game that nobody knows the answers to, yet everyone plays during the holidays.
"Well, that was quite the delicious Thanksgiving dinner. Anyone up for some Trivial Pursuit?"

{akward silence while guests pretend not to be pissed}

...

{7 hours of lost life ensues}
by BrianWallenstein April 5, 2008
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