Adj. Type of information carried around inside a man's head that he thinks is a mark of intelligence when in fact it is idiotic trivia. Ironically, in many cases everyone already knows the fact, or it is wrong.
Sally: Do you like my tan this summer?
Tim: Sure. Did you know that the mask in the movie "Halloween" was a Captain Kirk mask painted white?
Sally: Yes dear. Everyone knows that.
Tim: Well, did you know that the red dot on the 7-Up can represents the inventor's eye? He was an albino.
Sally: You are an idiot. Stop using such uselessful information.
by oso31 November 4, 2008
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S|mplex is a bad braw stars player so he’s useless
by Blaze6 October 19, 2020
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Something that Aqua is.
Instead of helping Kazuma with anything, Aqua has only been a detriment. That's useless Goddess!
by Person1234673 June 13, 2020
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where a person has been assigned one job, one FREKEN JOB, and could not execute that job.
Mahima had one job to rock up to the breakfast today morning, but slept in, SO USELESS!!!!

ONE FREKEN JOB!!!!!
by The Big man from AOSC September 22, 2017
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The definition of useless is Connor, Emily,George, your nan and that’s it.
In a sentence;
“Aww how come your so useless nan?
by Jokingjoker1877 December 7, 2019
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