The most common and most likely answer to this crossword clue is the 8 letter word SOMEWHAT
I've seen this crossword clue in The Daily Telegraph
S
O
M
E
W
H
A
T
More clues leading to the result SOMEWHAT
- Mates who run riot, to a certain extent
- Slightly tame show broadcast
- Pretty mates who break up
- Rather poor show, tame
- I don’t care about me? Not entirely
- Mates who messed about a bit
- Bowler perhaps after duck trapping opposition’s opener fairly
- Pretty me in female bowler, say?
- Rather a handful, eh?
- Mate who’s drunk a bit
Buddy explains!

The straight part
We know that "a bit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a bit = somewhat.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 SOMEWHAT mean?
SOMEWHAT noun- More or less; a certain quantity or degree; a part, more or less; something.
- A person or thing of importance; a somebody.
- (degree) To a limited extent or degree.
- Something.