When someone who has an intense hatred for black people runs over a group of 15 or more black people all at once.
Tony: "Hey man, what did you do saturday night?"
Dave: "Jason and I drove down Johnson Ave. and had a crazy coon boom."
Tony: "Oh man, that sounds wicked. How many niggers did you get?"
Dsve: "At least 24, but definatly not more than 32."
by Lane Bass November 9, 2007
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Ace boom coon has been used for more than 30 years as a term of endearment, like a best friend, meaning someone who is a good friend, someone you care about or someone who is a close to you or you have been knowing for a long time.
Person 1: Sees a friend walking down the hallway at school, gets excited and says "Oh, that's my Ace Boom Coon!"
Person 2: "You know him?"
Person 1: "Yeah, we go all the way back to elementary school and the hood. I been knowin' him foreva. That's my dawg."
by hipjournalist December 26, 2011
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