The most common and most likely answer to this crossword clue is the 7 plus 3 letter word CURATES EGG
I've seen this crossword clue in The Daily Telegraph
C
U
R
A
T
E
S
E
G
G
Buddy explains!
The straight part
We know that "some of it good, some of it bad" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case some of it good, some of it bad = curates egg.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.