A saying used to suggest that if you do not speak up or complain, you will not get what you need or be noticed. It references how a baby must cry to be fed.
El que no llora no mama and whoever does not steal is a sucker. (A famous line from the tango Cambalache by Enrique Santos Discepolo).
A synonym for shaking someone down for a bribe, but it also refers to hitting up several people for small amounts of money to reach a goal, which is not necessarily a crime. (In Venezuela, the synonym matraquear specifically refers to police or officials demanding bribes).
I was martillando all my uncles today and I got the money for the bus fare to the beach.
To shake someone down or extort them. It describes a public official who uses their authority to force someone to pay a bribe or provide a favor. It is also used in schools when older students pressure others for money or items. Unlike a standard bribe, the official is the one demanding the payment. (In Venezuela, this is frequently associated with police or military shakedowns at highway checkpoints).
What a pain, we have to cross the border and they are going to matraquear us. / Dude, did you notice the eleventh graders are a bunch of matraqueros?