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

uno reverse

when you disagree with a statement, And want to reverse it to the other person. it is also a card in the game uno

Person1; Your an idiot
Person2; Uno reverse.

by Riniscool March 8, 2022

Uno

The proper word in court.

(Judge) Did you sexually touch that little girl
(Person) Your Honnor … UNO!

by Zinafag February 16, 2022

UNO reverse

A cringe one-liner used by middle schoolers only

Chad: You’re being a dick to others
Ace: Uno reverse
Chad: that’s for middle schoolers, oh wait, you are one, I’m a grade higher than you, I’m in my freshman year of high school, cry about it

by Hazodaki October 2, 2022

Uno reverse card

The best comeback for literally anything

Hi
Uno reverse card
Wait wha-

by Byecryfrenchfry April 16, 2020

Uno Reverse Month

It's scuffed opposite day but you get to act as one another

It's uno reverse month uwu

by OrbsX July 11, 2021