"AC" can mean Ace Combat.
Ace combat 3 (the first wich had the Name *Ace* Combat) would be called "AC3"
AC04 (do not type AC4) is Ace Combat 04
AC5 is Ace Combat 5
ACZ, AC0 or AC Zero means Ace Combat Zero
AC6 is Ace Combat 6
ACAH is Ace Combat Assault Horizon
AC7 is Ace Combat 7
Me: I like ACAH and AC6
65% of the Ace Combat Community: Are you Stupid ACAH and AC6 are the worst games in the whole series!!!
Something That Cools You Down When U Hot As Hell
Mike: Can You Turn On The AC
Bob: Why?
Mike: Cuz Its Too Damn Hot In Here!
Slang for Atlantic Challenge. sailing snook
Person: Comin' to the movies?
Me: Nah mate, I'm goin' to AC.
Ac is a hoodman from tdot that runs Paloma with his mazda 3. Ac is a wavy ass dude that gets bare shordys and get bare rating. No cars can smoke him. Ac has a solid gang behind him that never have time to good out and whip.
Damn look at ac whipping that Mazda at Paloma