adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
tickling
Describes the act of tickling someone, often with a light, playful touch. Can be used adverbially or as a する verb.
赤ちゃんの足の裏をこちょこちょすると、キャッキャッと笑う。
When you tickle the baby's soles, they giggle with delight.
adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
restlessly; hurriedly; fiddling around; whispering
Describes small, quick, or fidgety movements, such as moving restlessly, fiddling with something, or whispering into someone's ear. Often used with する or と.
彼は緊張して、ポケットの中で手をこちょこちょ動かしていた。
He was nervously fiddling with his hands in his pockets.
友達が耳元でこちょこちょと秘密をささやいた。
My friend whispered a secret into my ear.
interjection
kitchy-koo; goochie-goo
An interjection said while tickling someone, similar to 'kitchy-koo' in English. Used playfully, often with children.
「こちょこちょ～！」と言いながら、子どものお腹をくすぐった。
Saying 'kitchy-koo!', I tickled the child's tummy.