Answer: hubbahubba

AnswerCrossword Clue
HUBBAHUBBA

"Va-va-voom!"

HUBBAHUBBA

"Wow!"

HUBBAHUBBA

Quaint cry of excitement

HUBBAHUBBA
Dated "Wow!" to a good-looking gal
HUBBAHUBBA
Expression of approval: Slang.
HUBBAHUBBAWolf-whistler's words
HUBBAHUBBARelative of "Whee!"
HUBBAHUBBAOld-fashioned whoop
HUBBAHUBBAWords to a good-looker
HUBBAHUBBA"Hey, good lookin'!"
HUBBAHUBBA"What a babe!"
HUBBAHUBBAWords to a good-looking woman, once
HUBBAHUBBAOld leerers cheer
HUBBAHUBBAOld leerer's cheer
HUBBAHUBBA"Check her out!"