The most common and most likely answer to this crossword clue is the 8 letter word CARESSES
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The straight part
We know that "canoodling" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case canoodling = caresses.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 CARESSES mean?
CARESSES noun- An act of endearment; any act or expression of affection; an embracing, or touching, with tenderness.
- A gentle stroking or rubbing.
- To touch or kiss lovingly; to fondle.
- To affect as if with a caress.