The most common and most likely answer to this crossword clue is the 3 plus 3 plus 4 letter word ALL THE RAGE
I've seen this crossword clue in Financial Times
A
L
L
T
H
E
R
A
G
E
More clues leading to the result ALL THE RAGE
- Not mad about silver? It's really popular!
- Very fashionable and completely sane to collect silver
- Not stupid collecting silver now
- In leather gal gyrates
- Not stupid about silver being immensely popular
- In large lathe being refashioned
- In leather gal shocked
- In autumn, group starts feeding together
- Very cool heart? Legal troubles!
- The whole article about collecting silver is in Vogue
Buddy explains!
The straight part
We know that "Very cool" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case very cool = all the rage.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.