tickling
tick-ling
noun
The act of lightly touching someone's skin to produce a tingling feeling or laughter.
"A quick tickling session made the baby giggle."
verb
Causing a slight tingling sensation or laughter by lightly touching someone's skin.
"The children were tickling each other playfully."
Thesaurus
Synonyms: titillation, tickle, tingling, exciting, titillating