USSI 

Undeserved Sense of Self Importance

When a person believes and acts as though they matter more than they actually do.

John A: I'm kind of a big deal.

John B: Wow, someone's got a serious case of the USSI.

USSI by Neenerneenerbooboo November 2, 2010

Ussi Sheikh 

Either a person that cannot complete education at a 6th form.
Has no swag.
Is a bitch.
Cannot play football.

Hey look at that guy in his shit trainers, he's an Ussi Sheikh

Ussi Sheikh by therealdeal10 December 15, 2011

Ussitelic 

(adj.) Ridiculously complicated

Who wired this room? This is the most ussitelic installation I've ever seen

Ussitelic by MrGas September 20, 2017

Ussin 

A person who is impenetrable to fault. This refers to someone who is so perfect, that they can do no wrong.
Often a person who people look up to and respect.

Mary Poppins bows down to the almighty Ussin.

Ussin by partnershipness January 2, 2009

Ussie 

A self inflicted group photo; When the participant of a group photo also acts as the picture taker. The number of participants in an "ussie" is not limited, but typically does not exceed 3 due to the close nature of the photo. Though not always, the background in an "Ussie" is often the focal point and subject matter of the picture...

"Yo, bro. Get Chad over here. I wanna take an ussie with this dope DJ in the background"...

Ussie by JayCub April 28, 2013

Ussie 

Taking a selfie with your friend(s) or significant other.

James took an ussie with his girlfriend Janet.

Ussie by pinkpearl5 February 5, 2015

ussify 

To cause former enemies (who originally perceive each other as "them") to come together as an "us". Typically accomplished by an enemy or hardship that these disparate groups have in common.

In Alan Moore's "Watchmen", Ozymandias stages a massive, horrific alien attack in an attempt to ussify all of humanity.

ussify by Quinche April 9, 2017