What does the cryptic crossword clue "In a position to win game of darts quickly (11)" mean?

The definition is "In a position to win game of darts quickly". The wordplay uses a double definition. Double definition The answer is ONTHEDOUBLE.

In a position to win game of darts quickly (11)

Independent Cryptic #11862 | 14 Across | 2024-10-16 flower