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know-it-all

1. One who's always acting as if things that are abstruse or not necessarily easy to understand are pointedly obvious, and often shows a snobbish hostility towards others if they're not showing complete understanding of it:

someone who treats you like an idiot for not knowing difficult things or acts like difficults things are obvious is a know-it-all

2. One who expresses their unproven opinions and ideas as if they're obvious known facts as if others should have known a long time ago.
"Hahahahaha! Trigonometry. That old stuff. You're having a tough time with that," laughed my know-it-all sister, Megan.

"Well students. You actually have to discern the entomological aspects of it." "Well, DUH! No shit, Sherlock. If you can't, that's pretty sad," said a know-it-all in the class.

"I don't get how to fix the TV," said my father. "Omg! You don't know how to fix a TV set. Lmao! Who doesnt know how to fix a TV set, take it apart and put it back together again. That's so obvious."

Abby said "no duh" to nearly everything she heard during the study on insects. She is such a know-it-all.

"All you do to fix it, is turn it off and then tighten some of the wiring. Duh," said Kya. Kyra had never tried fixing a computer in her life. She was just acting like a know-it-all.
by MikeZatin June 20, 2008
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tribal knowledge

A widely accepted internal procedure or piece of information that isn't recognized in an offical manual.
It is tribal knowledge that the person who drinks the last glass of kool-aid must make a new pitcher
by Bud Grimsley July 31, 2006
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Related Words

I KNOW!

An expression signifying an EXACT undertanding/agreement of what the speaker is saying.

Spoken very loudly or with higher intonation. Hand motion is generally used with speech.
"Can you beleive she wore that?" "I KNOW!"

"You would think the professor would give us a study guide." "I KNOW!"
by Schmeeph March 9, 2005
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in the know

"People in the know are aware of a nuclear explosion if even the slightest jolt was made upon the renegade carrier."
-part of the storyline for Blast Corps
by Dave October 21, 2004
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Knowledge trees

Street for crack. Usually accompanied by 'hollying' (see definition of holly).
Yeah, I was doing knowledge trees yesterday.
by Bobbick January 14, 2008
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KNOWLAGE

a word that will help you be in your garage with Lamborghinis and rolexs
im here in my garage wanna know how i got here KNOWLAGE
by SPONGEGAR SPELLING March 16, 2018
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Basic knowledge

Each side receives basic knowledge of the other. A good measure of this would be what the general population of the character's homeworld knows.
For example, that Superman has a weakness to Kryptonite is general knowledge, but that he's Clark Kent is not.
by Unknow Man May 13, 2005
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