by peter brook July 11, 2008
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
Sisteme Internacional
by AnActualDefinition March 12, 2018
AS of SI is a clash of clans player that is like a bucket of marshmallows and is as cute as the goji meow stickers he loves. He is commonly referred to as the greatest townhall 9 in CoC. Jew know what I'm saying? He's fiercely loyal to his clan and is irreplaceable. When he's not smashing war bases, he's also the fearless leader of AS123. His mates are lucky to have him.
by JiggleB January 19, 2017
"Don't do that sis" (Don't do that, slave in shackles" "are you a sis?" (Are you a slave in shackles?)
by Educational Institutions January 7, 2022
A suffix added to any noun meant to accentuate the word in the sentence. Manages to get very annoying.
by The Allergen June 27, 2005