To cut in line or sneak into a place without waiting your turn. It's one of those things everyone hates but some people do shamelessly, ignoring everyone who's been waiting.

A person with left-wing political views, usually used pejoratively to call out someone who defends social causes in a naive or fanatical way. It blew up in Mexico during political debates on social media.

A person who frequently uses drugs or is high all the time. In Mexico it describes someone whose substance abuse is obvious and affecting their entire life.

A petty thief or small-time criminal who steals on the streets. Unlike 'rata' meaning stingy person, this one refers to someone who actually robs people and snatches belongings.