Skip to main content
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.
It means uncle, although in anime character regularly use it in its less formal form where it functions more as "mister" or "sir." It's just an informal, but not necessarily rude, way to refer to an older man than yourself that you're unfamiliar with.

That's all I wanted to get clear. Most definitions stop at uncle and barely explain the secondary, and probably more common, use for it. "Ojisan" always means "sir/mister" unless they're actually they're uncle.
"You dropped your wallet, Ojisan" = "You dropped your wallet, mister/sir."
Ojisan by i8toast7 November 16, 2018
Related Words
otisa • Otis Award • OTIS • Ojisan • oyisa • olisaemeka • otigay • Otised • olisa • Omisa
a young goat and god who just chillin. Generally a lazy person but means well.
“Yo otusaku is a god!”
otusaku by User4337 July 5, 2020

otis redding 

general all-round dude, just an great singer. The sound of soul.
'it's been a long, long time comin', but i know a change is gonna come'
otis redding by Isabella18 June 27, 2006

olisaemeka 

is a smart, intelligent young man made to do great things in this world. He has the skills to be in a relationship since he was born.
I would want o name my child a olisaemeka
olisaemeka by O.K.N January 10, 2019
I word created by Oliver O’Neill meaning everything, don’t you dare steal his word. It means every single word ever so if someone asks if you are ok and you don’t know how to answer say omisaba.
Guy 1: Hey dude how are you feeling ?

Guy 2: Omisaba
Omisaba by Yellow tulip April 29, 2020
Outright blatant betrayal by someone you trust. Or casual use when promises are unfullfilled or you feel let down. (reference from The Walking Dead)
I can't believe you Otised me!
Otised by dr34m December 29, 2011
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
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
Load more