ACS is a First Person Combat System Free that was created by @00scorpion00 and @dusek_br along with a bit of limited help from some awesome community members periodically. Our company specializes in providing users with a high quality gun engine which can be used in their awesome creations. Many communities have been using ACS as their first choice, may it be a small community or a large one, we cater to everyone’s needs!
by random man that is soo stupid December 2, 2021

Abbreviation for 'Armor Class'. In the latest edition of DnD, AC is a number which signifies the difficulty of hitting a target in combat; the higher the number, the harder it is.
by Grimrider December 6, 2002

Adjective meaning very good, awesome, well above par and so on. Most commonly used by rowers who eat far to much sugar and get high on surgical spirit
by Bunnyindahole November 3, 2005

ACE (gaming) = All Competitors Eliminated. A gamer scores an ACE when they wipe out an entire enemy team. The number of competitors is irrelevant. However, considering that most games sport a 5 versus 5 format, the term has become synonymous (but not limited to) a 5k.
by Justanothermalaka January 4, 2019

Anonymous person #1: Did you see Jerry impress the boss with his presentation?
Anonymous person #2: Yea, did you see him ace it?
Anonymous person #1: Yea.... lucky bastard
Anonymous person #2: Yea, did you see him ace it?
Anonymous person #1: Yea.... lucky bastard
by Ulupong September 28, 2009
