Answer: oooh

AnswerCrossword Clue
OOOHCry of delight
OOOHSound of joy
OOOH"Aaah" companion
OOOH"You're gonna get in trou-ble!"
OOOH"I'm intrigued!"
OOOHSound of delight
OOOH"So nice!"
OOOH"Color me impressed!"
OOOH"Aren't you special!"
OOOH2000 De La Soul single curiously punctuated with a period
OOOHCircusgoer's exclamation
OOOH... a circusgoer
OOOH"How exciting!"
OOOHRepeated interjection in the Rolling Stones' "Miss You"
OOOHFireworks reaction
OOOHSqueal of delight
OOOH"I'm really impressed!"
OOOHPyrotechnics reaction