40 Cal.

40 Cal. (pronounced "forty cal") is a colloquial term and nickname primarily referring to rapper Cameron "Cam'ron" Giles, founder of the Diplomats (Dipset) hip-hop group. The nickname stems from Cam'ron's association with firearms, specifically a .40 caliber handgun. It is one of several nicknames used to refer to him within hip-hop culture. The term can also be used more generally to refer to someone perceived as tough or associated with street life, though the primary association remains with Cam'ron. The usage of "40 Cal." is most prevalent within and familiar to fans of Cam'ron's music and the broader Dipset movement.