cantamañanas

Verb-object compound, composed of canta (“to sing”) +‎ mañanas (“tomorrows”).

cantamañanas m or f by sense (plural cantamañanas)

1. (colloquial) bullshitter

• “cantamañanas”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.7, Royal Spanish Academy [Spanish: Real Academia Española], 2023 November 28