The most common and most likely answer to this crossword clue is the 8 letter word BANKNOTE
I've seen this crossword clue in The Sunday Telegraph
B
A
N
K
N
O
T
E
More clues leading to the result BANKNOTE
Buddy explains!

The straight part
We know that "Some money" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case some money = banknote.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 BANKNOTE mean?
BANKNOTE noun- A promissory note issued by a bank, payable at a given time to a specific beneficiary.
- A piece of paper currency.