tutututu is a word that people can use in any situation.
it also recalls the famous initials of the cartoon peppa pig!
X : hi! how are you?
X: i'm ok! tutututu
"tutututu" is a word that indicates the Theme Song of Peppa Pig. is used randomly, in every situation.
how are you? tutututu
i'm okay, thanks! tutututu to you too!