An unpaid debt, scam, or situation where someone fails to deliver on what they promised. Getting a pufo means being left holding the bag while someone else walks away without paying their dues.

A snitch, informer, or someone who rats out others. A chivato betrays the group by telling authorities or superiors what everyone else is doing — universally despised in street culture.

In Spanish, to lose your mind from pressure or frustration — or alternatively, to get wildly excited and enthusiastic about something. The same phrase covers both madness and passionate joy.

Emotional or behavioral boundaries that one establishes to protect their well-being. The key word in all modern therapy.