When someone or something is cool.

You can also use it instead of lol or okay.
"You are sive."
"sive."
by xsatansbitch May 31, 2019
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(Adj.) Short for expensive. Used to describe a female who renowned for her money-burning skills. Tends to desire the 'finer things in life.' Can refer to a girl who always gets what she wants.
Evan: Kristin, you're so 'sive...
Kristin: That better not mean something gross!
Miller & Evan: Hahahahahahahahaha...
by crystalballer78 March 31, 2009
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Kicking or knocking into things at random, causing a lot of swearing and crying amongst grown men. Also referred to as supersiving, when the person hurts him or herselves.
"oh holy, you sivet that dørkarm like its 1992!"
by teddybjoern March 21, 2009
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-noun Pathology

A disease of the immune system resembling HIV. Usually found in irritable co-workers. Generally has itchy/scratching properties. A combination of Scratchy HIV.
Watch out for Stephanie today, she's got one bad case of the SIVES. Awful way to go.
by antoine12 February 9, 2011
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When someone appears in deep thought about the male genitalia
Gary's looking rather pen15-sive today
by DaZ91 November 24, 2007
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Panda is being mad attack-sive even though she sucks at everything.
by Adventure Boy May 27, 2008
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if something is awesomely huge or bigger than massive
woow that thing is ma-hoo-sive
by matthewwww March 7, 2009
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