Cryptic crossword clue
Toast’s not fully three inches 4-4

The most common and most likely answer to this crossword clue is the 9 letter word CHIN-CHIN

I've seen this crossword clue in The Guardian
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Buddy explains!

The straight part
We know that "Toast’s" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case toast’s = chin-chin.
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 CHIN-CHIN mean?

CHIN-CHIN verb
  1. To greet; to toast.
  2. To say 'chin-chin'.
CHIN-CHIN interjection
  1. A salutation, especially a drinking toast.
CHIN-CHIN noun
  1. Discussion, conversation, talk.

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