Cryptic crossword clue
Rumble abbot stoned on hard grass? 12

The most common and most likely answer to this crossword clue is the 12 letter word BLABBERMOUTH

I've seen this crossword clue in The Daily Telegraph
B
L
A
B
B
E
R
M
O
U
T
H

Buddy explains!

The straight part
We know that "grass" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case grass = blabbermouth.
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 BLABBERMOUTH mean?

BLABBERMOUTH noun
  1. A gossip.
  2. A person who talks excessively.
  3. A kind of foam-dispensing nozzle used in firefighting at airports.

Latest crossword clues with full explanations