Definition

Get Your Act Together—the acronym shorthand for calling someone out when they're slacking, procrastinating, or generally being a mess. A pointed but funnier way to tell someone to shape up.

Example Usage

When Jake showed up 45 minutes late again, everyone just yelled 'GYAT!' across the group chat.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=GYAT&defid=17926461)