What does the cryptic crossword clue "Kick in the teeth, or punch further down? (4,4)" mean?

The definition is "Kick in the teeth, or punch further down?". The wordplay uses a cryptic definition. Cryptic definition The answer is BODYBLOW.

Kick in the teeth, or punch further down? (4,4)

Guardian Cryptic #29273 | 2 Down | 2024-01-08 flower