Aco 

Male name. Also pronounced Aaco, Ako or Aako.

Aco is a nickname for Diaco (Deioces) was, according to Herodotus, the first king of the Median Empire. It is a male name in Kurdish-speaking areas. It is a non-religious name for boys with Medes, Kurdish heritage. It means the leader or the boss.

Aco is a very gentle and intelligent friend.

Aco by IT19A+ May 10, 2017

ACO 

Aurora, Colorado

A nickname for the city most often used on social media. Instead of saying "Aurora" or "303" people will often say "ACO." as a shortened abbreviation. Similar to "NYC", or "HTX".

Im gonna go to the ACO tomorrow to see some friends.

ACO by lmao:)))))))) March 13, 2020

Aco 

Aco or Aako is everyones friend but will hurt someone if you get on his/her bad side

Aco is my best friend but he hurt that guy at the last fight

Aco by gucciboi679 April 1, 2020

Aco 

an abbreviated name for aurora, colorado.

“Where are you from? I’m from aco.”

Aco by thatbitch48 November 16, 2020

Aco 

Nickname for a Large black man with a hunkin choncker of a penis and an unforgettable, phat ass

I saw my mom with Aco last night

Aco by HalfMoon May 5, 2020

Aco 

The equivalent of "Alex' From Alexander in the Serbian language.

Hey Aco, how was work?

Aco by sarah2525252525 January 20, 2007

Aco 

A worthless piece of shit that doesn’t deserve anything

Hey man he’s such an Aco.

I know right like he doesn’t deserve this.

Aco by _._.... April 27, 2020