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si

Its a model of faster model of the Honda Civic, meaning "Sport Injection"
My civic DX got spanked by that Si hatck.
or
Im bout to get me some Si rimz dawg.
by Tsugaru November 26, 2003
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Si

1. Spanish for "yes".

2. Abbreviation for "suck it!"

3. Abreviatiin for "self injury"
Wy don't u si!
by Bojojo July 5, 2011
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Related Words
simp Si-mon sigma sienna sierra simpleplan sick Silas Sister SIDS

SI

1. Spanish for "yes."
2. Misspelling of "is."
1. "I suck." "Si."
2. "NO YUO FAGOT A COMPUTAR SI NOT A HAT!"
by Dj gs68 September 22, 2003
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SI

I haven't SI'd in two weeks.
by Anonymous Ex-cutter June 21, 2003
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SI

SI is the abbr. of stupid idiot , although it can also be used in a way in which it means mug
I.E. billy you fucking si, si does not mean sigh which means you bore.
by jake lowe February 11, 2008
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SI

SI units are the best, man. Inches suck.
by AnActualDefinition March 12, 2018
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SI

A term often used when talking about mental health treatment meaning suicidal ideation or suicidal thoughts
My SI had been chilling lately
by Bitchbotch June 22, 2019
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