Definitions of "Bruk"

Semen

The ejaculate that spurts forth from the male genital when he climaxes during sex.

Patois: Di bruk did ah cum outta im wood wen im did sawkka sawkka di gyal.
English: Semen spurted forth from his genital when he had sex with the girl.

Bow , Buddy , Bun , Cock it up ,

break

Means ‘break’ but also could mean ‘broke’ or ‘broken’ depending on the context in which it is use.

(patois) Wha mek you bruk mi windah?
(english) Why did you break my window?