Skip to main content
A Hanna-Barbera canine cartoon saying for "Uh-oh," beginning with THE JETSONS' Astro (1962) and continuing with Scooby-Doo in the Seventies.

Astro tended to speak a kind of English except that words with beginning consonants were replaced with an "R," and "R" was inserted in front of vowels.

Scooby-Doo was less fluent, but was given "Ruh-roh" as a kind of running gag when things were going bad.

Now "Ruh-roh" is sometimes used as a jocular trope where dogs are concerned, as in a recent news story about a dog who was accidentally released by Air Canada from his cage at the San Francisco airport. Rough meaning: "I goofed" or "I'm in trouble."
"Astro, if you don't stop that you're going to be in big trouble."

"Ruh-roh."

"Alright Astro, you asked for it, no outdoor privileges all weekend."

"Raw, Rorge!"
Ruh-roh by al-in-chgo October 11, 2013
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.
expression used in place of "uh oh"
derived from the popular cartoon show, Scooby Doo
Kelly: "That girl hooked up with Shaniqua's boyfriend, she's gonna get the shit kicked out of her during lunch today."

Amanda: "RUH-ROH."
ruh-roh by chiquitaLOCAA January 3, 2009
Ruh Roh was originally one of the many iconic Scooby-Doo sayings but has been turned into a phrase used at times of wrongdoing or mistake to make people laugh or lighten the mood.
Ruh Roh we're behind on our rent!

Ruh Roh I farted in the hand dryer

Ruh Roh The Po-Po
Ruh Roh by bored.exe August 29, 2022
Word of the Day on October 31, 2022
Comedy replacement for "uh oh", Scooby Doo style.
Guy 1: OH SHIT MY HOUSE BURNED DOWN!
Guy 2: RUH ROH!ahhahaha
ruh roh by remright September 6, 2003
Scooby Doo's comedic mispronunciation of "Uh Oh", it is also a play on potentially dire situations, usually starting with a minor event that could escalate into something huge.
North Korea just shelled a South Korean island? Ruh Roh!

There is a small leak from the dam? Ruh Roh!
ruh roh by sanjuro_kurosawa November 26, 2010
Ruh roh by ym0onflow3r January 22, 2022
when you FUCKING NUT inside of your mom and forget that your dad is in the bed too
OH FUCK MOM I NUTTED IN YOU THERES CUM EVERYWHERE IT SMELLS LIKE FUCKING SHIT HELP RUH ROH
my mom: O SHIT CLEAN UP YOUR DAD'LL WAKE UP AND SEE THE STAINS
my dad: well why the fuck didnt you let me join in and bust a nut
ruh roh by zoinks scooby August 28, 2019
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
Load more