Undo Hundo

A 100 dollar bill that has been stored in someones undergarment, such as a bra or underwear.

Would you believe Sarah had the nerve to pay me back with an undo hundo?

by Vaginas up July 21, 2016

slash slash undo

Slash slash undo is a meme in the minecraft community. It refferes to the command // undo, but is spelled out just to annoy the server owner. It was made by youtuber Skeppy, who uses it to irritate his friend BBH when trolling or griefing his minecraft server MunchyMC

"Skeppy, just type in the commands, //undo"
"Slash slash undo"
"NO"

by someonenamedollie June 20, 2019

Jakop-undo rule

undoes the self-first rule, can only be used when you are in grave danger.

Andy: i am a getting laid
You: Jakop-undo rule... I need my father to drive mearound numorously to prove I need a car.

by joe skulla May 4, 2008

Undo my sad

The titular lyric in the song "Undo" by Sanna Nielsen. The lyric in question is often very confusing. Does it mean to be happy? Does it mean to remove all negative feelings? That is an answer lost to time.

Emily: "Undo my sad!"
Fred: "Bro, wtf does that even mean?
Emily: "I have depression.."
Fred: "You don't.

by The Mudpie June 12, 2022

Once you go blue, you can't undo.

The phenomenon in which a normal conversation turns blue, becoming so riddled with sexual innuendo that it's rendered nearly impossible to steer back in a non-pervy direction. Every innocent comment starts to become a dirty double entendre, until eventually the entire conversation turns into a complete smut-fest from which there is no return.

Girl: Ah, who doesn't love stripper zombies in Portland? That'd go down like Jesus on a velociraptor.

Guy: I have to admit, when I first read 'go down'... I had rather blasphemous thoughts.

~ten minutes later, during which this term is invented~

Girl: Hmm, this Urban Dictionary thing is quite fun. Something for the annals of history.

Guy: Two n's - one 'n' is bad.

Girl: Yeah, I always thought that 'annals' was an odd word.
It really could so very easily be another.

Guy: Terribly easily. So, how is the entry? ...Oh, Jesus!!!!

Girl: Once you go blue, you can't undo.

by The Terror Twins August 3, 2010

undo typing

Something that your iPhone says when you sneeze

*undo typing?* says iPhone

Me: kys

by spotlight ah moonlight ah May 4, 2023

Seeker undo

A seeker undo is a type of man who hates people and eats more food then a fat kid at Chuck E. Cheese. They also tend to be a big asshole to Spider-Man fans.

Dude: bro this seeker undo sucked my moms dick

Other dude: bro what

by Spyrixm July 12, 2021