A.R.M 

The fat bastard that appears in snowruntlvr's videos

A.R.M is a cool guy

A.R.M by ~{MysticFlame}~ June 12, 2018

A.R.M.

Anal Retentive Monkey

Well, well, Jeeves. It would appear that Cullen won't be able to attend Little Jeb's 23rd Birthday party. He's being quite the A.R.M. Cancel his membership to the O.M.R. Junior Yachtery Club for Richers.

A.R.M. by Purple Teamers September 19, 2003

A.R.M.

Acronym for "Ambiguity Removal Meeting". Used in Film Producing as a term for having pre-production meetings to get rid of the ambiguous terms and ideas of the key crew .

Everyone, we will be having an A.R.M. tomorrow to discuss the script changes.

A.R.M. by Danny Hart February 14, 2012

A.R.M.Y / 아미

A.R.M.Y is the fandom name for a popular south Korean idol group called BTS, (Bangtan Boys or Bangtan Sonyeondan).
A.R.M.Y (아미) which stands for Adorable Representative M.C for Youth. ARMY is military in English, the body armor and military are always together, so it means that the fans will always be together with the Bangtan Boys.

Kpop Newbie: I like BTS's music, but what is their fandom name?
BTS Fan: BTS fandom name is A.R.M.Y / 아미!

A.R.M.Y / 아미 by Miss Fujoshi December 6, 2016

A.R.M.Y

Person who loves and supports Bangtan Sonyeondan

I am A.R.M.Y, the adorable representative MC of Youth.

A.R.M.Y by jinsepiphany August 19, 2018

A.R.M.Y

A.R.M.Y is the fandom name for a popular south Korean idol group called BTS, (Bangtan Boys, Bangtan Sonyeondan or Beyond The Scene).
A.R.M.Y (아미) stands for "Adorable Representative M.C for Youth." ARMY means "military" in English. The soldiers in the military always stick together, so it means that the fans (ARMYS) will always be with the Bangtan Boys.

Kpop Newbie: I like BTS's music, but what is their fandom name?

BTS Fan: BTS's fandom name is A.R.M.Y.

A.R.M.Y by Mika Kaito December 14, 2017

A.R.M.Y

1. Fans who will cut you if you say anything bad about BTS

2. People who fight for the war. Yeah, they're brave as heck.

"A.R.M.Y's are literally an Army of scary yet passionate fans"

A.R.M.Y by MayoSauce May 21, 2019