sì

sì is yes in italian

A: Sono bello? - Am I beautiful?
B: Sì - yes

by falcon's March 15, 2021

si

Abbr. Simple Simon. Individual renowned for extreme stupidity and slowness of mind.

"Jog on you si - you're as thick as pigshit" or "he's a proper si that one, thicker than a King Edward yoghurt"

by Phileas May 20, 2008

si

synthetic intelligence.

Artificial intelligence derived from synthetic materialism.

SI is the only path to achieve artificial intelligence.

by sandraxine June 20, 2018

SI

self injury.

cutting, carving, bruising, welting, etc.

you: damn... i hate emos.
me: ......
you: you SI?!?
me: ......

by 341103001 August 29, 2007

SI

Sports Illustrated

I done read SI.

by Andy L August 3, 2003

Si

An unbelievably rich cunt (richer than Bill Gates) who wears a monacle and probably has other characteristics but none you really care about.

Also likes boys and sniffing the sweatline under fat guys flabbing man breasts.

Brian has loads of money for beer tonight. He could do a Si and buy the pub free drininks all night.

by Bobby Charlton March 18, 2004

SI

sexual intercourse sex hanky panky hot hottie awesome cool sexy 1. a word and hand-sign created to refer to sexual intercourse in a way unknown to rejects, spazes, and especially older, uncool adults, so your conversations remain esoteric.

2. this term can take the place of words such as hot, hottie, sexy lady, ect.

3. SI can also replace cool, awesome, ect.

ex1: Things are really going well with my gf. I think SI is an inevitability.

ex2: Whoa! Check her out! SI at 10 o'clock.

ex3: "Hey, there having free food at the party, and there's no addmission price this time!"

"Really? Aw, SI man!"

by Oddjob 007 September 28, 2006