A fork of Rural Dictionary
Silver or lead. In short, it means "accept this money or get shot". Accept a bribe or be assasinated. Do what the hell I tell you & I will make it worth your while or I will blow your head off. Get it? Common dialogue for the mexican drug cartels.
Oye! Plata o plomo pandejo. "Listen here sucker, play along or its lights out". Silver or lead: money or a bullet.