upo

Another way to say "your mouth", so if you accidentally type "Shut upo" in an online arguement, the person can't call you stupid.

justasaurus says:
shut upo?
síi says:
yes
justasaurus says:
way to type loooooooser
síi says:
upo means 'your mouth', obviously.

by Shiloanne October 16, 2007

upo

upo is the internet slang for unpopular opinion

upo but "All I Want For Christmas" should start playing in September

by somekidfromchicago November 20, 2017

Wat upo

Adam went back in time and killed the inventor of air quotes with 2 fingers instead he uses the last 3 fingers as air quotes and called them wat upos

Hey man wat upo

by Addman0714 October 11, 2020

UPO

Unpopular opinion

UPO: spaghetti and queso hit different

by Sexytigress May 19, 2022

Upo (@Bonesteal)

Upo is fucking retarded and very black

Hey you look like like an Upo (@Bonesteal)

by Fly_WRLDD (AKA THE COOL GUY) May 28, 2022