To dig in stubbornly on a position, refusing to budge even when everyone tells you that you're wrong. Whoever 'se mete en sus trece' won't listen to reason.

A superficial person with no real depth or substance. A 'hueco' might seem interesting on the outside, but get to know them and there's nothing inside.

In the Caribbean and Mexico, to set someone up, trick them by leading them into a situation that turns against them. The perfect setup — lured in and then caught.

Acción de tomarse de un jalón toda la bebida hasta vaciar el vaso, generalmente bajo la presión del grupo. En México gritar ¡fondo! es una orden colectiva: tienes que beberte todo sin parar mientras el grupo te cuenta.