facer fumo

Asturian

Literally, “it makes smoke”.

(idiomatic) to be extraordinary, great (something)
- 2004, Pablo Texón Castañón, Catedral‎^[1]:
  —A ver, rosa, a ver cómo ta –dixo María garrando la fueya que-y apurría’l fiyu–, yes un artista; esto fai fumu, ¿eh?, esto nun lo fai cualquiera
  Let's see, rose, let's see how it is -said María grabbing the paper that her son was giving her-, you are an artist; this is extraordinary, huh?, not just anyone does this