The most common and most likely answer to this crossword clue is the 13 letter word BREAK-DANCING
I've seen this crossword clue in Financial Times
B
R
E
A
K
-
D
A
N
C
I
N
G
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 BREAK-DANCING mean?
BREAK-DANCING verb- To dance in this style.
- An urban style of acrobatic street dance that originated in the hip hop culture of New York City in the late 20th century.