sio

Extreme sexy beastly mf

Man, Sio gives off such a big dick, dilf energy!

by txmmmm November 21, 2021

Sio

Easy word to express agreement with something or simply saying yes/probably.

Mom - "Are you OK?"
Son - "Sio."

by Camobeast April 15, 2018

SIO

senior investigating officer

a british police rank rank held by a police officer (DCI at minimum), who leads a major investigation (e.g.:murder)

Who is the SIO of this murder taskforce? It's DCI Peter Banks.
Who's in charge of this murder investigation? DCI Harold Crowly is the SIO. Talk to him.

by UltraDan September 25, 2020

SiO₂

sand; glass; quartz; amethyst; silica; silicon dioxide.

People, go build a SiO₂-castle.

by hydorus shui October 08, 2023