Abbreviation for "auto-correct," implying that a mis-typed word was originally typed correctly but was then changed to something else by the auto-correct feature of a phone.
Matt: Do you have my other show?
Mandy: You mean "shoe"?
Matt: Yeah, AC.
Stands for audibly cackling. Pronounced “ack”. Coincidentally also an onomatopoeia for the sound some people make while laughing. Typically typed, not spoken.
The paradise maker in the summer that allows you to chillax without dying externally.
Lucy walks in to the room. It was 100 degrees outside. "Who turned the AC on?"
Aaron: I did for you sweetheart!
Lucy: Aawww so sweet!! Aaron your the best!!