The most common and most likely answer to this crossword clue is the 6 letter word WINNER
W
I
N
N
E
R
More clues leading to the result WINNER
- Champion, with something short of a bullseye
- . Women intimate with film producer
- Weight concealed in shot at Wimbledon
- Victor with secret
- On North by Northwest, upset over one late director
- Champion with bull’s-eye, almost?
- Victor or Michael?
- Victor’s woman? Secret
- . Victor having meal with wife in daughter's absence
- Champion whiskey bar? The one in the Crown
Buddy explains!

The straight part
We know that "Champion" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case champion = winner.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 WINNER mean?
WINNER noun- One who has won or often wins.
- A point or goal that wins a competition.