UPO 

Unidentified Photoshopped Object

A supposed picture of a flying saucer or extraterrestrial spacecraft which is an obvious fake created via image editing

UFO pictures these days are almost always one of two types:

- A blurry dot that could be anything
- A UPO

UPO by MISTER OWNINATOR August 25, 2011

UPO 

Unidentified Puntable Object
Puntable meaning kickable obviously.

Small dog, soccer ball, any thing puntable.

"God that little yappy UPO was getting annoying"

UPO by bdagz February 25, 2010

UPO 

pronounced: Ooo-po

Unidentified Potato Offspring; Strangers or “potatoes” that try to get with you or your boo.

Babe...there’s an UPO on your leg.

It’s time to get the potato peeler, this place is crawling with UPOs.

UPO by Loveless187 November 1, 2018

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.

upo by Shiloanne October 31, 2007

UPO 

Unidentified Phallic Object. A flying saucer with a penis.

The UPOs penis was flapping against it's underside as it zoomed across rural America.

UPO by Jstat January 20, 2009

upo 

upo is the internet slang for unpopular opinion

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

upo by somekidfromchicago November 19, 2017

UPO 

Unpopular opinion

UPO: spaghetti and queso hit different

UPO by Sexytigress May 19, 2022