The most common and most likely answer to this crossword clue is the 8 letter word FLIMSIES
I've seen this crossword clue in The Guardian
F
L
I
M
S
I
E
S
Buddy explains!
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 FLIMSIES mean?
FLIMSIES noun- Thin typing paper used to make multiple copies.
- A service certificate
- (in the plural) Skimpy underwear.
- A banknote.