What does the cryptic crossword clue "Rebellious boy chopped notch in twig (5,2)" mean?

The wordplay uses a reversal. anagram of AL (synonym="boy") + NOTCH (synonym="NOTCH") = LATCH ON The answer is LATCH ON.

Rebellious boy chopped notch in twig (5,2)

Times Cryptic #28937 | 6 Down | 2024-06-07 flower