noun, masculine/teˈmon/plural: temones
augmentative of tema: a large or important theme or topic.; a great song, a banger, a hit track.
“¡Qué temón acaban de poner en la discoteca!” — What a banger they just put on at the club!
Synonyms: temazo, hit, éxito, cancionaza
From tema + -ón (augmentative suffix).