Answer: zinger

AnswerCrossword Clue
ZINGER

Bon mot

ZINGER

Barb

ZINGER

Clever remark

ZINGER
Caustic retort
ZINGER
Barbed remark
ZINGERWitty retort
ZINGERClever comeback
ZINGERIt may be fired back at someone
ZINGER"Oh, snap!" elicitor
ZINGERSharp line
ZINGERSnappy put-down