a fallback
Fallback is when you tell someone to back off or take a chill pill. It’s like telling your annoying brother to shut up or you’ll punch him.
Your brother was being loud, and you told him to fall back or else you’d knock him out.
Your sister was being dramatic, and you told her to fall back or she’d regret it.
Your friend was being annoying, and you told him to fall back or else you’d laugh at him forever.