What does the cryptic crossword clue "Snoop or pry and sneak off (4,6)" mean?

The definition is "Snoop". The wordplay uses an anagram. anagram of OR + PRY + SNEAK = NOSYPARKER; definition: "Snoop" The answer is NOSYPARKER.

Snoop or pry and sneak off (4,6)

Guardian Cryptic #27284 | 13 Down | 2017-08-24 flower