A person that loves things and lives games and cars. Has good friends and goes outside 3-5 days a week. Wants the world to be fair and have peace at the same time.
Sinue goes to a NASCAR race and Idk what to do now
by THEGAMMERMAN March 13, 2017
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To do something even though you are aware that it is wrong. Possible consequences might arise depending on the situation.
Laura: What are you doin'?

A. Sinna: I'ma sinu that... watch my back!

Laura: Oh damnn
by A. Sinna July 27, 2010
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when your sinuses rupture after ingesting something highly acidic, like orange juice or lemonade.
a: oh damn, i’m a total sinus duck right now
b: no one cares dina.
by ray22 September 24, 2012
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When one has really clogged up sinuses and cannot focus on work and finds everything rather amusing.
"Julia and Sofia, pay attention to your math!" Anthony
"Sorry, Anthony. I just am having a sinus high right now. My nose is like a snot volcano." Julia
by Julia O. December 02, 2006
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Slang for "nose picking", funny because it sounds like "science fiction".
PETER: So, Bobby, what caused your car accident?

BOBBY: Well, don't tell anyone, but ... sinus friction.
by Mike Bozdog June 18, 2006
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Means bringing pressure too the body or phermones,too become sick
also too take away sickness's,also saying very insolent things..

extracting the sinus
(E.T.S)
You should be only extracting the sinus if you know what you are doing...
by regardless devon victory January 29, 2009
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