Definition: "Screen addict perhaps"

This is an anagram - look for an indicator word that suggests mixing or rearranging letters

'contorted' is the anagram indicator - rearrange the letters of 'one' and 'grimace' together to form a single word

Answer: CINEMAGOER | 'contorted' indicates an anagram of 'one' + 'grimace' = CINEMAGOER (someone who regularly goes to the movies)