The most common and most likely answer to this crossword clue is the 14 letter word GLOBE-TROTTING
I've seen this crossword clue in Independent
G
L
O
B
E
-
T
R
O
T
T
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 GLOBE-TROTTING mean?
GLOBE-TROTTING adjective- That globetrots.