po-faced

po-faced
[ˈpəʊfeɪst]
adjetivo
1demasiado(a) serio(a) (familiar) (reaction, attitude)
  • she was wearing a po-faced expression -> tenía cara de pocos amigos

po-faced [ˌpəʊˈfeɪst] (informal)
adjective
que mira con desaprobación; severo