ace boon 

Best or really close friend. Abbreviated version of ace boon coon.

You always got my back, that's why you my ace boon.

ace boon by Chris From Hawaii November 8, 2021

ace boon koon 

a slang term for a good or best friend, home boy, partner, pal, buddy, etc.

Officer Mitchell- "Did that guy just drop a dime on your bunkie?"
Martin Todd- "Yeah, but it's cool, he's my ace boon koon."

ace boon koon by scott bradford 19 April 29, 2010

ace boon coon 

partner in crime

Ya ma ace boon coon, man!

ace boon coon by Martin Capehart February 13, 2004

Ace Boon Coon 

N. Number one nigga. Your main man. Your bestfriend.

Jay is my Ace Boon Coon.

Ace Boon Coon by Dub9's April 17, 2006

ace boon coon 

1. Someone that you ice cold chill with
2. My nigga

Me and the nigga there go way back he is my ace boon coon

ace boon coon by GQDreAmeR January 12, 2005

ace boon coon 

Your dawg, homeboy, homegirl. Someone who your mad cool with.

Where you been girl? We used to be ace boon coon!

ace boon coon by Regina Holcombe February 9, 2009

ace boon coon 

noun phrase

A very good friend; best friend (Black to black and male to male)

I like the guy, but he's not what you would call my ace boon coon

ace boon coon by P.M.V. October 19, 2014