What does the cryptic crossword clue "Summarily dismiss, giving one the boot? (4,3)" mean?

The definition is "Summarily dismiss, giving one the boot?". The wordplay uses a double definition. Double definition The answer is KICKOUT.

Summarily dismiss, giving one the boot? (4,3)

Guardian Cryptic #29555 | 21 Down | 2024-12-02 flower