NastyJDAM 

An explosive or otherwise incendiary nastygram precisely directed at a small group of its wide blast radius of 100+ bcc's. Capable of leveling an entire office building's morale.

After weeks of Tom and Peter leaving the whiteboard unerased, Kristine dropped a NastyJDAM on the entire department's listserv to express her displeasure.

NastyJDAM by Pierogi11 August 10, 2019

NastyDagger22 

He makes awful youtube videos and plays roblox. he also is a loser and a nerd

John: Have you heard of NastyDagger22?
Mike: Who is that?
John: I don’t either!

NastyDagger22 by trophydagger August 15, 2020

nastygram

Letter sent to an individual or organization in professional "business-angry" style, expressing displeasure about actions taken, or lack thereof.

I sent a nastygram to my cell phone provider regarding why they've not adjusted my account, and they were pretty quick to fix it after that.

nastygram by Ben Schumin December 12, 2004

Nastradamus 

One of Nas' many nicknames. He is also one of the greatest rappers ever! Possibly the greatest lyracist ever.
His real name is Nassir Jones.

Nastradamus is the same person as Nas.

Nastradamus by Roman August 30, 2008

nastygram

A angry note thats to the point, but try's to mask just how angry they are. Normally left by your boss.

" my boss said she wansn't mad about taking the day off, but she did leave me a nastygram on my desk"

nastygram by Maggielivesindenver January 24, 2008

Nastygram

An angry letter, email, or note that expresses a person's distaste or disapproval for you.

After calling Cindy's house at 2am her parents sent my parents a nastygram.

Nastygram by The Official Pussy Monster June 21, 2009

nastygram

A note, often left anonymously, expressing displeasure of an action or perceived action of yours.

Someone who felt I parked too closely to him keyed my car and left a nastygram on the windshield.

nastygram by Eponym October 12, 2004