Cover your ass

and CYA

sent. & comp. abb. Do what is necessary to protect yourself from discovery or criticism. (Usually objectionable.) CYA when the shit hits the fan.

Name	Pronounced	Usage
Penelope	[pi'neləpi]
Tiarnach	-	Irish
Augustus	ə-GUS-təs (English), ow-KHUYS-tus (Dutch)	Ancient Roman, Dutch
Dekel	-	Hebrew
Kaja (3)	KAH-yah	Estonian
Stella (2)	-	Greek