doing somethin that is suicidel or risky for you or ur life.

spelt (su-ee)
right thats it im gonna do sui on COD4 with my shotgun.

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A kind,helpful friend that support you on anything.Can be rude and cold-hearted if you get on her bad side. She likes being single but secretly wants a lover.She can be bubbly,happy but she can turn into a butthole anytime.She has the "Resting Bitch Face" that can scared people away but she's actually can be bright most of the time.And she can be shy but at the same time she can be loud.She may look all happy around her friends but deep inside she's broken,hurt.She can start crying at of no where the reason is that she feels lonely or maybe she's stress,hurt but she'll never tell anyone about it.
"Sui is so nice,kind she would be a good friend."
by LOVE COOKIE MONSTER October 26, 2018
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Straight Up Islanders
Gang in East Side Sydney but used by all Islanders in Australia that live on the East Side.
Pacific Ballar Crips are also known by SUI.
Those Pacific Ballar Crips are SUI's!
by Bally June 23, 2006
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A wonderful person that loves food and music. Can get mad really fast but most of the time really kind. Don't play with her/he or your really going to regret it.
Your so Sui I love it.
by Peachybts February 2, 2018
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SUI got him a F on the exam.
by Popo Lan July 30, 2009
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'Scooting Under the Influence'

To be caught riding your scooter (a Macro scooter, if you will) whilst under the influence of alcohol. Scientific inquests have shown that enjoyment levels augment by at least 150% whilst scooting under the influence, whilst death rates rise accordingly.

The most famous recipient of an SUI is the ficticious John "J.D" Dorian, from Scrubs.
Lad 1: "Fellas, i got an SUI- sweet"
Lad 2: "Buy this guy a pint"
by MK tm 2009 June 13, 2009
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Last night while SUI, I bought a new car
by Jaques2433 February 25, 2011
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