The most common and most likely answer to this crossword clue is the 6 letter word SMOOCH
I've seen this crossword clue in The Times
S
M
O
O
C
H
More clues leading to the result SMOOCH
- Lights finally low, central heating on, kiss and cuddle
- Low cape — button it around neck
- School filled with sound of cow pet
- Pet making beastly noise in school
- Neck displayed by low cape: button it all round
- Mark loves being in school
- Little son needs to sponge neck
- French school bags sound out of stock?
- To behave amorously is low in school
- Kiss and cuddle and lounge about on top of sofa
Buddy explains!

The straight part
We know that "kiss and cuddle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case kiss and cuddle = smooch.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 SMOOCH mean?
SMOOCH noun- A kiss.
- To kiss.
- To soil, stain or smudge.