Sia 

A Singlish slang(Singapore Slang) used to express discontent or excitement,usually used with words “wah lao sia” or “sia lah”.

Ben:“why lao why you never play tank ,now I have to be tank sia ”(ml reference)

Ken:“you not happy,don't play lah”

Or "sia lah you really giving me your car for my birthday ah,thanks lah brother”

Sia by Messidagoat October 17, 2021

Sia 

S.I.A is an acronym

Sexy •Intelligent• Artist

Sia Furler is the epitome of a S.I.A.

Sia by GR€€R July 16, 2018

sia 

A synonym for "cya" mostly used by Sia's fans. It was made popular because of how close the pronunciation of both terms sound.

I have to go now, sia!

sia by asentrix March 29, 2016

Sia 

She’s meant to be treated as a princess no one should make her cry she is queen of queens and will he happy forever

Sia is a beautiful person

Sia by Hackler November 23, 2021

Sia 

She

Is
Amazing

she is a sia

Sia by aammminnnnggggghh February 6, 2022

Sia 

A beautiful person, kinda awkward and quiet but energetic when you get to know them. But have the men kissing the ground they walk upon and fawning over them.( struggles at spelling and reading sometimes)

Damn who's s that over there getting confessed to? Oh! Thats Sia, they're so pretty, right?

Sia by meepers34 March 29, 2022

SIA 

Singapore International Airlines.
The premium airline in Asia.

http://en.wikipedia.org/wiki/Singapore_Airlines

Hey! Im flying to Canada on SIA!

SIA by melvinlow November 3, 2008