SIA

Singapore International Airlines.
The premium airline in Asia.

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

Hey! Im flying to Canada on SIA!

by melvinlow September 22, 2008

SIA

Swaggerific Intense Athlete; an intense athlete such as a runner or a gymnast who also has some serious swag.

"dayummm she a serious SIA. I can tell by that body"

by SIA1 August 26, 2011

SIA

Sorry in advance

I'll be off hiking this weekend, while you're tethered to your computer for work. SIA if I can't respond to your emails quick enough.

by rich New Yorkers January 26, 2017

Sias

A person with a dick longer than 6 inches and enjoys lesbians.

Sias.........nuf said.

by DirtySanchez August 24, 2003

SIA

'Smile in appreciation', as a logical replacement for LOL, when one is not actually laughing.

'Why did the acrobat reader document get arrested?"
'Why?
' Because it was a PDF File'
'SIA'

by sitcheh October 24, 2008

sia

sia kate isobelle furler. a great vocalist and song writer. she sang a bunch of songs for the trip hop group zero 7. she also has a few solo albums out. some people have real problems is her latest installment. a great album comparable to feist's the reminder album.

sia is an awesome artist. i like her voice and personality.

by eazy-x February 14, 2008

sia

Suffix, used by mostly the Singaporean net community. Also by me and some people i do nto knwo of yet

Wah lao111!!!!111 Look at that chao cheebye sia....

by Rim Reow July 11, 2004