Answer: eww

AnswerCrossword Clue
EWW"OMG he is like thirty years older than her"
EWWEither blank in "..., Girl, ..." (Three Times One Minus One song from "Mr. Show")
EWW"Blecch!"
EWW"Gross!"
EWW"Yuck!"
EWW"How disgusting!"
EWW"That's gross!"
EWW"Gag me!"
EWW"Oh, gross!"
EWW"That's icky!"
EWWComment regarding a squashed bug
EWW"I really wish I hadn't smelled that"
EWW'Gross!'
EWW'Ick!'
EWW'So nasty!'