The most common and most likely answer to this crossword clue is the 6 letter word BOGGLE
I've seen this crossword clue in Financial Times
B
O
G
G
L
E
More clues leading to the result BOGGLE
Buddy explains!

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 BOGGLE mean?
BOGGLE noun- A scruple or objection.
- A bungle; a botched situation.
- Either literally or figuratively to stop or hesitate as if suddenly seeing a bogle.
- To be bewildered, dumbfounded, or confused.
- To confuse or mystify; overwhelm.
- To embarrass with difficulties; to palter or equivocate; to bungle or botch.
- To dissemble; to play fast and loose (with someone or something).
- A goblin; a frightful spectre or phantom; a bogy or bugbear.