noun
repartee
rep-ar-TEE/ˌrepɑːrˈtiː/
Quick, witty conversation or exchange of remarks.
The two friends enjoy lively repartee over coffee.

Etymology
“Back” and “set out” combined in a verb meaning “reply promptly.” Its noun named an answering thrust in fencing, an image carried into quick verbal counterblows and witty exchanges.
More examples
- She answers his teasing with quick repartee.
- The play depends on sparkling repartee between its leads.
- He enjoys the friendly repartee of their weekly meetings.
Forms
repartee