What does the cryptic crossword clue "Cursed setter has been sacked? (7)" mean?

The wordplay uses a charade (building blocks). DOG (synonym="“setter?”") + GONE (synonym="“been sacked”") = DOGGONE The answer is DOGGONE.

Cursed setter has been sacked? (7)

Guardian Cryptic #29634 | 1 Across | 2025-03-05 flower