have someone by the balls

Have someone at one's mercy, as in You have to pay up-they've got you by the balls. The balls here allude to the male genitals. [ Vulgar slang; early 1900s]

Common Names:

Name	Pronounced	Usage
Armel	-	French
MÁRcia	-	Portuguese
Hrafn	-	Icelandic, Ancient Scandinavian
Hala	-	Arabic
Cornelius	[kɔ:'ni:ljəs]
Japik	-	Frisian (Rare)