This is the 595th most frequent French word.
tué
"Tué" means "killed" in English.
The word 'tué' here is the past participle of the verb 'tuer', used in the compound past tense to describe a completed action in the past, specifically someone performing the act of killing.
Il a tué le monstre dans le film.
He killed the monster in the movie.
The word 'tué' here functions as part of the passive construction in the past tense, describing the subject undergoing the act of being killed, which is performed by the enemies.
Il est tué par ses ennemis dans le jeu.
He is killed by his enemies in the game.
'Tué' in this usage is idiomatic, expressing an overwhelming effect of something, in this case, how pleasing or surprising the dish was.