quá trời

Meaning

1. extremely

   adverb

   so, extremely

   After an adjective, in casual Southern speech: đông quá trời, so crowded.

   • Hôm nay nóng quá trời!

     It's so incredibly hot today!

   • Quán này đông quá trời luôn.

     This place is packed.

   Saigon onlycasualGrammar: Really so …!: adjective + quá trời, quá chừng, ghê