kiss and cuddle amorously(The young lovers smooched in their carlexico.com • Lovers walked together against the flowers, or sat on a bench, smooching to their hearts' delight. • I gulped as they smooched - for quite a long time, too - and wished more than anything that it was me he was kissing. • Grayson and I spent a lot of time together, rolling around, sitting in laps, and being smooched. • You two can't smooch in there since your mother is in the kitchen. • 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.); to kiss, hold, and touch someone in a sexual way(Didn't I see you smooching with Mark at Kim's party?cambridge.org)