dig one's own grave

Seriously harm oneself, cause one's own ruin or downfall. For example, If Sam pursues that course, he'll be digging his own grave. [First half of 1900s]

Common Names:

Name	Pronounced	Usage
Helewidis	-	Ancient Germanic
Avra	-	Greek
Kassy	KAS-ee	English (Modern)
Janette	JAN-ət, jə-NET	English
Teman	TEE-mən (English)	Biblical, Biblical Hebrew
Zahid	-	Arabic