What does the cryptic crossword clue "Naughty pic with dustman where everything exposed (6,4)" mean?

The definition is "where everything exposed". The wordplay uses an anagram. anagram of PIC DUSTMAN = NUDISTCAMP The answer is NUDISTCAMP.

Naughty pic with dustman where everything exposed (6,4)

Guardian Cryptic #29217 | 13 Across | 2023-11-02 flower