The most common and most likely answer to this crossword clue is the 5 letter word UDDER
I've seen this crossword clue in Independent
U
D
D
E
R
More clues leading to the result UDDER
- Jack doesn't start to shake milk container
- Milk supplier’s shake: not the first
- Budget? Chancellor’s last cut initially in the bag
- One steering ship should avoid leading Republican tit
- Where to get milkshake after tip-off
- It produces milk shake with top skimmed off
- Source of milk shake, not quiet
- Republican out of control in part of Jersey?
- Fraud deregulation – welcome feature of Jersey?
- Drinks dispenser required Duracells – back up and running essentially
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 UDDER mean?
UDDER 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.