class act

English

class act (plural class acts)

An excellent performance.
- 2017 September 18, “Whangara Mai Tawhiti does it again”, in The Gisborne Herald‎^[1], archived from the original on 3 March 2021:
  Tairawhiti Cultural Development Trust chairman Maui Tangohau said it was a class act by the national champions.
Someone or something whose performance is excellent.
- 2021 March 31, Phil McNulty, “England 2-1 Poland: What shape are Gareth Southgate's side in?”, in BBC Sport‎^[2]:
  Rice is maturing at such a rate that he is now indispensable. Yes, these qualifiers may not be the most exacting examinations but he has also looked a class act at club level under manager David Moyes this season.
(sometimes sarcastically) Someone or something who is generally well-mannered, conscientious, etc.
You can count on Sam to help out afterwards, he's a real class act.

Oh yeah, they're a real class act; they left their garbage all over the grass.