do (oneself) in

1. To commit suicide. Poor Jerry, he did himself in when he lost his job.

2. By extension, to cause oneself to fail. Janet did herself in with her oversized ambition; now she's lost everything.

Name	Pronounced	Usage
Jeana	JEE-nə	English
NİDa	-	Turkish
Agata	ah-GAH-tah (Italian, Spanish, Polish)	Italian, Spanish, Swedish, Polish, Slovene, Russian, Croatian, Serbian
Cerberus	SUR-bə-rəs (English)	Greek Mythology (Latinized)
Kirby	KUR-bee	English
Wera	VE-rah	Polish