Uu 

An unnecessary way of spelling the word “You” usually used by low IQ fucks

Miya: Uu mad or nah?
Me: Go suck a chode, uneducated fuck.

Uu by Lessons from ms pardon July 9, 2020

UU 

UU stands for the religion Unitarian Universalism

UUs let you believe whatever you want but they have 7 principles which are:
The inherent worth and dignity of every person;
Justice, equity and compassion in human relations;
Acceptance of one another and encouragement to spiritual growth in our congregations;
A free and responsible search for truth and meaning;
The right of conscience and the use of the democratic process within our congregations and in society at large;
The goal of world community with peace, liberty, and justice for all;
Respect for the interdependent web of all existence of which we are a part.

UU by veggieness May 14, 2005

uu 

did you really think that I would give you an explanation?

bananz: dude wtf means uu
me: uu

uu by Saile9 March 17, 2018

UU 

Because W is pronounced "double u" when it is clearly two V's connected. A substitude for the letter "W" in the alphabet that has yet to be added.

" Q R S, T U V, uu X, Y and Z. Now I know my abc's, next time won't you sing with me."

UU by thecoolestpersonever239058603 September 25, 2011

UU 

Abbreviation for unauthorized use of a motor vehicle, i.e., misdemeanor car theft.

I was charged with the felony but I pled to a UU.

UU by Schmeni July 11, 2006

UU 

A common establishment in a public or private university. While they may be under different names, the UU, or "University Union," is usually a common gathering place for students, and houses events, socials, workshops, and whatnot.

The water polo club had its annual social at the UU last night.

UU by buttermilk waffles and cream October 2, 2009

uu 

uu is an useless person

uu is ded

uu by off boi April 17, 2019