OMIS 

An acronym for the phrase "Old Man in Speedo." Most often used while visiting tourist attractions like Disney World or Busch Gardens, to warn others of the approach of an older (usually European) man in a very small swimsuit.

Alert! Alert! OMIS approaching!

OMIS by blancwene November 16, 2006

omis 

from the word awesome.

"hey, did you see that movie?
"yah it was omis i tell yah"

omis by Katarina December 13, 2003

Omis 

Omis is a really hot guy and likes lots of dick but he is really good at everything he does. He likes BBC

Omg look its Omis! I wanna fuck him!

Omis by ionknowmane February 17, 2022

Lie of omission 

A lie when you purposely dont tell someone something cause you know they won't like it. Any lie is still a lie.

You committed a lie of omission by not telling me you cheated with your ex.

Lie of omission by DoNotLie August 13, 2017

Omisaba 

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

Omisha

The greatest person you as a person will ever meet. She loves music and can not live her life without it. She is awesome, kind and is a great singer!

Tyrel: "Hey, you free tonight"
Ashley: "sorry, going to watch Omisha sing"
Tyrel: " wow, You are so lucky"
Ashley: "IKR"

Omisha by Sheri1370 November 4, 2012

Cock Blocking by Omission (CBO) 

(verb) the act of blocking one's cock by not introducing him to hot female friends

"My cousin is totally CBO-ing me by not introducing me to her hot soccer friends."
"Oh man...she CBO-ed you real bad."

--Cock Blocking by Omission (CBO)

Cock Blocking by Omission (CBO) by Barrett, Jack January 22, 2009