Stands for All Clear and it's used on calculators!
All Clear, Calculator!
©™✓=π are all gone!
Even itself is gone!
All Clear, Calculator!
©™✓=π are all gone!
Even itself is gone!
AC is on calculators.
by @# December 8, 2022

A calm and reserved individual who prefers to do out things without being asked. He may seem anti-social, but once you know him, you'll find that he's a great buddy and connection builder. If you think you like him, wait till you only shake his hand. He is tremendously humorous and bright, and there is no one better than him.
1. Ace is also used as a term of sexuality (Asexual)
"Are you gay?"
"Nah, I'm ace."
2. A term used to describe someone or something that is regarded as 'very cool.'
"Are you gay?"
"Nah, I'm ace."
2. A term used to describe someone or something that is regarded as 'very cool.'
by Acrobaetech November 29, 2021

Smasher Ace Aim is a highly reliable aim that allows you to win against almost every other aim out there.
Don't worry, I got that Smasher Ace Aim so I don't need to use a keyboard and mouse to play video games.
by Him Who They Wanna Be April 1, 2023

an ace is a kpop idol who is good at everything a kpop idol should be good at like dance, rap, vocals. but they also excel at other things such as stage presence, producing, variety shows.
by fruitykale January 8, 2022

stimming from the group of people who originally used this term to spread awareness of the people who have autism being quite obnoxious and toxic this refers to a human who is "acing" the embodiment of a low functioning autistic individual who cannot function in society or is acting like a person with down-syndrome.
by she' the forsaken April 17, 2021

The Siemens ACS-64 which stands for (Amtrak Cities Sprinter, 64 indicates it makes 6400 KWh) is an electric locomotive that used by Amtrak and septa, they replaced the AEM-7 and the very unreliable HHP-8 locomotives, They are known to have a weird sound when accelerating.
Veronica what’s that light comming from there
Maxima: that’s an Amtrak Siemens ACS-64 keystone comming from Lancaster to NYC with consists of amfleets and the Budd ex-Metroliner cab car 😐
Maxima: that’s an Amtrak Siemens ACS-64 keystone comming from Lancaster to NYC with consists of amfleets and the Budd ex-Metroliner cab car 😐
by EMD F59PHI July 15, 2024
