The most common and most likely answer to this crossword clue is the 6 letter word STUBBY
I've seen this crossword clue in The Times
S
T
U
B
B
Y
More clues leading to the result STUBBY
- Objections overturned through being blunt
- Squat little son, round and fat
- Squat, small and round!
- Small and fat
- Short description of brilliantly painted horses?
- Small, pudgy, squat and thick
- Players ultimately plump for Australian beer
- Son, plump and squat
- Squat is round behind back of lodgings
- Primarily short and stout? Indeed
Buddy explains!

The straight part
We know that "blunt" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case blunt = stubby.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 STUBBY mean?
STUBBY noun- A small, squat beer bottle.
- Abounding with stubs.
- Like a stub; short, especially cut short, thick and stiff; stunted; stubbed.