Answer: itsfun

AnswerCrossword Clue
ITSFUN"Whee!"
ITSFUNKid's vocal reaction to an enjoyable game
ITSFUNChild's cry on an amusement park ride, perhaps
ITSFUN"You'll enjoy this!"
ITSFUN"Ya gotta try this!"
ITSFUN"You'll enjoy this"
ITSFUN"Wheeeee!"
ITSFUNWheeeee!