The most common and most likely answer to this crossword clue is the 6 plus 5 letter word BANANA SKINS
I've seen this crossword clue in Independent
B
A
N
A
N
A
S
K
I
N
S
Buddy explains!
The straight part
We know that "&lit-ish/CD" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case &lit-ish/cd = banana skins.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.