ATAT 

All touts are targets

Anyone who tells the police or someone important something that can get you in trouble, just for their own gain, that makes them a tout

"Yeah well he went and told the police that it was my brother, he better watch his back becauae ATAT"

ATAT by Bobby-joe1690 July 3, 2018

avast antivirus 

antivirus that scares the shit out of users with constant popups in the bottom-right corner of your screen convincing you to upgrade to avast premium with the only benefit being not having to see the popups

me: turns on pc

avast antivirus: WE FOUND 23 TRACKING COOKIES ON YOUR PC

me: didnt you say I had 36 tracking cookies on my pc last time

avast antivirus by Hehe I cheated March 19, 2021

Atash 

Atash is a fiery person. She will always be there for you, and stands on her ground no matter what. Her opinion is what matters most to her and will not let anyone change her mind. Atash is very quick at making friends, and is very good at keeping them. Atash is usually the most unique person in a friend group, and will make sure you never get bored. She also is more of a dog person since cats are boomers. Atash likes changement and is always looking for some fresh air.

I met Atash today, she was super energetic.

Atash by Ferikusu August 15, 2019

ATST 

At the same time

I can't really explain it, but atst I'm not convinced.

ATST by imshortbuttall July 27, 2017

AAST

The Academy for the Advancement of Science and Technology, the first and coolest academy in the Bergen County Academies (BCA). The kids in AAST are branded as anti-social and the biggest nerds, but this stereotype isn't really true.

What academy are you applying to?

AAST man, that place has the shit!

AAST by Eric Lee Chang September 20, 2009

ATST 

Atst = at the same time

"yoo wht u up to?"

-"dono man Imma eat and movie #atst"

ATST by J move August 21, 2020

ATAS 

"All tactical and shit", pronounced ATAZ.

"Have you seen that new guy? That dude is
ATAS."

"Look at his gun, that sonnombitch is ATAS'd out"

ATAS by FNFNG January 20, 2009