The most common and most likely answer to this crossword clue is the 10 letter word BOMBSHELLS
I've seen this crossword clue in The Guardian
B
O
M
B
S
H
E
L
L
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 BOMBSHELLS mean?
BOMBSHELLS noun- A bomb or artillery shell designed to explode on impact.
- Something that is very surprising, shocking, amazing or sensational.
- (by extension) Someone who is very attractive; sex symbol.