Definition of smooch in US English:

smooch

verb

[no object]informal
  • 1Kiss and cuddle amorously.

    ‘the young lovers smooched in their car’
    • ‘You two can't smooch in there since your mother is in the kitchen.’
    • ‘Grayson and I spent a lot of time together, rolling around, sitting in laps, and being smooched.’
    • ‘I gulped as they smooched - for quite a long time, too - and wished more than anything that it was me he was kissing.’
    • ‘Lovers walked together against the flowers, or sat on a bench, smooching to their hearts' delight.’
    • ‘There was a rumour of something going on between the two, but as far as the boy was concerned, as long as they didn't smooch in front of him (he shivered in disgust), he was fine with it.’
    1. 1.1British Dance slowly in a close embrace.
      • ‘Although some of the lyrics aren't appropriate, I love this song all the same… and I would love to be dancing and smooching up against my man to it.’

noun

informal
  • 1A kiss or a spell of amorous kissing and cuddling.

    ‘a slurpy smooch on the ear’
    • ‘Confetti was all around and Chris and I planted a big smooch on each other.’
    • ‘I once saw a young girl from the audience land a smooch on the cheek of a stoutly-built male singer, whose singing was notoriously out of tune.’
    • ‘The spirited young girl wrapped her arms around her brother's neck, giving him a big smooch on the cheek.’
    • ‘Lovers kissed, sharing their first smooch of the year.’
    • ‘Its romance though, is a magnet for lovers, and many pause to throw in their coins and seal their hopes with a smooch.’
    1. 1.1British A period of slow dancing in a close embrace.
      ‘they suggest a dance but it turns into a smooch’

Origin

1930s: from dialect smouch, of imitative origin.

Pronunciation

smooch

/smutʃ//smo͞oCH/