The most common and most likely answer to this crossword clue is the 6 letter word ISABEL
I've seen this crossword clue in Financial Times
I
S
A
B
E
L
More clues leading to the result ISABEL
- Girl presented by one’s second son
- Woman identifies with first murder victim
- Girl turns out to be murder victim
- G – aka Blaise
- Girl is left outside Lincoln for example
- Girl first victim under Islamic State
- This girl is a beauty, we’re told
- Woman‘s short description of ringer
- . One's second child, a girl
- Is sailor with the Spanish girl?
Buddy explains!
The straight part
We know that "B/B/B/G/B" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case b/b/b/g/b = isabel.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.