Cagalitroso
An adjective for someone who is extremely scared, gutless, or yellow. It is a superlative form of cagon (coward), referencing the act of shitting oneself during intense fear, with the suffix implying a large volume (liters) of waste produced by terror.
Juan is a coward since he did not dare play his part in the play, but Carlos is a Cagalitroso: he did not even leave his room to go to the performance.
Automatically translated from Spanish