A metaphorical or literal button that sends you into full panic mode. Whether it's waking you up at an ungodly hour, triggering anxiety in stressful situations, or being the last resort in a crisis—pressing the "alarm button" means it's time to freak out or act fast. Often associated with early mornings, deadlines, and life's unexpected curveballs.
I hit the alarm button when I realized my 50-word essay was due in an hour. I’m such a slow typer!