Uno Duo Three-O Four-O Five-O

A phrase that is common to Computer Science teachers. Typically the phrases that are emitted from the mouths of these teachers are mildly retarded and may be repeated more than ten times a day.

Mr. Biga - "Uno Duo Three-O Four-O Five-O!"
Student - "What the fuck?"

by Jacob Swift December 1, 2007

June 2 National Mr. Mattern plays uno day

A day where Mr. Mattern played uno

June 2 national Mr. Mattern plays uno day. is a day where Mr. Mattern played uno

by Tincan801 June 2, 2022

Reverse uno card

the most powerful card ever to be created. this can be used in ANY argument.

even in the most serious moments. nothing can beat it, besides the second most powerful one..the two words..."No u"
it scares me, just typing it.

Katie: "I'm taking the kids!"

Jack: *pulls out a uno reverse card*
Katie: "NOOOOO"
See what i mean? the reverse uno card can be used in the most serious moments.

by _fuzzy._.worm_ February 21, 2020

Uno-reverso complicato reverto depresiato rediculianto elangato unfathmolato

A Ridiculously Depressingly Complicated Unfathomabley Elongated Reverted Uno Reverso

Little did they know, he had an "Uno-reverso complicato reverto depresiato rediculianto elangato unfathmolato" in his deck of cards.

by https://www.google.com/search? January 12, 2022

Successful uno

When one is able to “finish” without any interruption, in the middle of intense concentration/activity

If people would stop calling me I would maybe be able to have a successful uno with my friends

by UnoQu33n January 1, 2020

Uno Reverse

It's a uno card at is very broken. If use correctly you may become a god. When use the other person must do the opposite of what they said.

Person 1: Give me money
Person 2: Uno reverse

by Man Face is cool June 15, 2022

UNO

A game where it will ruin friendships once someone place down a plus card

Person 1: Why did you do that
Person 2: Why not.
Person 1:
Person 2:
Person: we are no longer friends.

This is not puberty, it’s just UNO. There shouldn’t be anything evoked in our body after thing.

by CrispyDuckNugget June 15, 2018