The most common and most likely answer to this crossword clue is the 6 letter word UDDERS
U
D
D
E
R
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 UDDERS mean?
UDDERS noun- An organ formed of the mammary glands of female quadruped mammals, particularly ruminants such as cattle, goats, sheep and deer.
- (impolite) A woman's breast.