The most common and most likely answer to this crossword clue is the 7 letter word SNAPPER
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More clues leading to the result SNAPPER
Buddy explains!

The straight part
We know that "paparazzo" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case paparazzo = snapper.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SNAPPER mean?
SNAPPER noun- One who, or that which, snaps.
- Any of approximately 100 different species of fish.
- A (human) baby.
- The player who snaps the ball to start the play.
- Small, paper-wrapped item containing a minute quantity of explosive composition coated on small bits of sand, which explodes noisily when thrown onto a hard surface.
- One who takes snaps; a photographer.
- The snapping turtle.
- The green woodpecker, or yaffle (Picus viridis).
- A snap beetle (family Elateridae).
- A telegraphic device with a flexible metal tongue for producing clicks like those of the sounder.
- A string bean.
- The vulva.
- (entertainment) A punchline.