The most common and most likely answer to this crossword clue is the 7 letter word GOURDES
I've seen this crossword clue in The Guardian
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More clues leading to the result GOURDES
Buddy explains!
The straight part
We know that "Wicked rogues pinching 500 dollars in Haiti (7)/dollars in Haiti" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wicked rogues pinching 500 dollars in haiti (7)/dollars in haiti = gourdes.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 GOURDES mean?
GOURDES noun- The currency of Haiti, divided into 100 centimes.