shade by omission 

An intentional or unintentional public denouncement or disrespect of an individual by action of leaving him/her out of a conversation, group, or otherwise list that him/her should have been included in. shade cold

Damn bro you threw a house party and didn't invite your housemate? That's some crazy ass shade by omission broooo!

shade by omission by gangstamishflex June 11, 2016

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

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

omissions officer 

A college admissions officer at a selective college which rejects more applicants than it accepts.

"Hey so did you get in Johns Hopkins?"
"No I got rejected. Their meanest omissions officer must have read my application.

omissions officer by Avrahard December 12, 2010

lie by omission 

My therapist told me that I don’t lie (make things up that aren’t true). She said that I lie by omission. I don’t talk about important things because of my shame. I don’t talk about things that truly occurred because I fear the emotions that will surface.

She attended the wedding and simply responded “It was beautiful.” She told a lie by omission when she did not mention that there were many unpleasant occurrences.

lie by omission by introvert July 6, 2021

nocturnal omission 

An act completely forgotten due to heavy drinking the night before.

See also: Black Out, drunk wound, drunklaid

Dude 1: Do you remember taking a dump in the fish tank at the party last night? That shit was hilarious.

Dude 2: I did what? Must have been a nocturnal omission.

nocturnal omission by al.X January 20, 2009

Lie by Omission 

Lying by omission is when a person leaves out important information or fails to correct a pre-existing misconception in order to hide the truth from others. ... Some people view omissions as more than just white lies, but as outright lying, because by omitting information, you're no longer being transparent.

You committed a lie by omission when you planned to move to Florida months early without telling your close friends.

Lie by Omission by MurseWithTheMouth May 6, 2021