have someone by the balls

US /hæv ˈsʌmˌwʌn baɪ ðə bɔlz/
UK /hæv ˈsʌmˌwʌn baɪ ðə bɔlz/
"have someone by the balls" picture
1.

ter alguém nas mãos, ter alguém sob controle

(vulgar slang) to have complete control over someone, especially by having information that could harm them

:
The prosecutor really had him by the balls with all the evidence.
O promotor realmente o tinha nas mãos com todas as evidências.
If you owe them money, they'll have you by the balls.
Se você lhes deve dinheiro, eles o terão nas mãos.