The most common and most likely answer to this crossword clue is the 6 letter word ROSBIF
R
O
S
B
I
F
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 ROSBIF mean?
ROSBIF noun- An English person (as viewed by the French).