Answer: excuseme

AnswerCrossword Clue
EXCUSEME

"What?"

EXCUSEME

Steve Martin catch phrase

EXCUSEME

"I beg your pardon"

EXCUSEME
Oops, sorry
EXCUSEME
Steve Martin's "Well, ...!"
EXCUSEME"What say?"
EXCUSEMEResponse to an insult
EXCUSEMEInterrupter's words