Fatuo (en. Fatuous)

/'fatuo/

Slang Meanings

Slang Meaning: A person who acts with excessive self-confidence.
Example: That guy is a fatuous person, always talking about his accomplishments as if he were the king.
Ese tipo es un fatuo, siempre hablando de sus logros como si fuera el rey.
Slang Meaning: Description of a ridiculous situation related to vanity.
Example: What he said was so fatuous that everyone fell silent.
Lo que dijo fue tan fatuo que todos se quedaron en silencio.