Cryptic crossword clue
Rear end of bus driver having blemishes 6

The most common and most likely answer to this crossword clue is the 6 letter word SCABBY

I've seen this crossword clue in The Times
S
C
A
B
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Buddy explains!

The straight part
We know that "having blemishes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case having blemishes = scabby.
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 SCABBY mean?

SCABBY adjective
  1. Affected with scabs; full of scabs.
  2. Diseased with the scab, or mange; mangy.
  3. Having a blotched, uneven appearance.
  4. Injured by the attachment of barnacles to the carapace of a shell.

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