slap and tickle

Noun

colloquial idiomatic uncountable

(colloquial, idiomatic) Mild or playful kissing, cuddling, and other amorous play.

Japanese Meaning

軽い愛情表現、つまり軽いいちゃいちゃ（軽いキスやハグ、戯れ半分のスキンシップ）を指す

They laughed as their slap and tickle made the afternoon feel bright and lighthearted.

彼らは、ふざけ合うキスと抱きしめ合いで笑い、午後は明るく和やかな気分になった。

Sense（1）

(colloquial, idiomatic) Mild or playful kissing, cuddling, and other amorous play.