buscar cualquier palabra, como swag:
 
3.
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.
Por Jstat 09 de octubre de 2008
 
1.
usless piece of shit
that twat is such a upos
Por reens 02 de agosto de 2005
 
2.
UPO
Unidentified Puntable Object
Puntable meaning kickable obviously.
Small dog, soccer ball, any thing puntable.

"God that little yappy UPO was getting annoying"
Por bdagz 24 de febrero de 2010
 
4.
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.
Por Shiloanne 16 de octubre de 2007
 
5.
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
Por MISTER OWNINATOR 22 de agosto de 2011