smooch
1. noun A kiss of any kind or duration. My auntie always makes me give her a smooch on the cheek whenever I see her. I've missed you so much! When we get home, I'm going to smother you in smooches!
2. verb To kiss (someone), especially amorously. It's always so awkward when I walk in on my parents smooching in the kitchen or the living room. She spent the whole time smooching her boyfriend, so I doubt she remembers anything about the movie.