Cryptic crossword clue
Showing amusement about wren’s initial chirping 10

The most common and most likely answer to this crossword clue is the 10 letter word TWITTERING

I've seen this crossword clue in The Times
T
W
I
T
T
E
R
I
N
G

Buddy explains!

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

TWITTERING verb
  1. (sometimes proscribed) To tweet; to post an update to Twitter.
TWITTERING verb
  1. To utter a succession of chirps.
  2. (of a person) To talk in an excited or nervous manner.
  3. To make the sound of a half-suppressed laugh; to titter; to giggle.
  4. To have a slight trembling of the nerves; to be excited or agitated.
  5. To twit; to reproach or upbraid.
TWITTERING noun
  1. The act of producing chirping sounds, or twitters.

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