Cryptic crossword clue
Instruction from ref: angry speech that can be ambiguous 4,2,5

The most common and most likely answer to this crossword clue is the 4 plus 2 plus 5 letter word PLAY ON WORDS

I've seen this crossword clue in The Times
P
L
A
Y
O
N
W
O
R
D
S

Buddy explains!

The straight part
We know that "that can be ambiguous" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that can be ambiguous = play on words.
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.

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