Taking the name of the ancient greek god of the scrotum "Bedacles"(beh-da-klees), this word for testicles or balls should not be used in mixed company. Instead, the more formal word bedous (beh-dooz) should be substitued.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

verb...The act of castration, or removal of the testacles (bedacles)

Slang word for testicles or balls, derived from the name of the greek god of the scrotum, Bedacles,(the god's name is pronounced bed-a-klees...the slang pronunciation is below.)