Uggo Mode 

Used to describe something in an ugly manner.
"Uggo mode" is frequently used by the fastest growing community on the internet (also known as "Greg") in Danny Gonzalez's Minecraft Twitch streams.

Person 1: Hey man, you see that house?
Person 2: Yeah man, it's full-on uggo mode.

Uggo Mode by yeslan April 22, 2021

uggo 

An extremely ugly person. This term is used when you are too lazy to say "extremely ugly person", so, alas, uggo was created.

A: My dog is frightened of me..
B: That's 'cause you're an uggo.
A: Your Mom!

uggo by Bunifa Latifah Halifa Sharifah Jackson September 5, 2003

Valley of the Uggo 

The dank, dark realm you enter after swiping right to the last hottie on Tinder until you find another hottie. During this time you are only subjected to the Uggo beasts who dwell there.

She was having lots of luck finding that perfect match on Tinder until she toddled off into the Valley of the Uggo.

Valley of the Uggo by GraveyardGuy May 16, 2019

Ugmosis 

Ugmosis

Ug-mo-sis (Uhg-moh-sis)

-noun

1. A tendency of ugliness to pass from one friend to another.

2. A subtle or gradual absorption or mingling of one friend's poor looks to another through association.

"I thought she was hot until her friend showed up and ugmosis set in."

Ugmosis by J Mazon May 13, 2010

Uggo Dook 

A person that is extremely ugly and reminds you of dookie.

A:Ugh, why does nobody like me?
B: It’s because you’re and Uggo Dook

Uggo Dook by PurpleGoateyyy April 10, 2021

uggo surprise 

When a woman who looks amazing from behind turns around and shuts down one's senses with her unanticipated hideousness.

Man, my jeans were getting tight until she turned around and BAM, uggo surprise.

uggo surprise by radium81 October 15, 2008

uggs 

Boots with suede outsides and sheepskin insides. Usually used in snowy and cold regions, but now is associated with miniskirts and beach towns.

Look at that pigeon! She's wearing her uggs and miniskirt! Gross!

uggs by Pigeonhater @UCSB October 1, 2004