banter

banter は冗談交じりの軽い会話のことです。5:33 you have that old-timey feel of the custom-made cocktails and the banter with the bartenders with the waistcoats and ties on. この「錬金術」パブには昔の雰囲気があり、正装したバーテンと会話を楽しんだり、好みのカクテルを作ってもらえる。

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https://www.youtube.com/watch?v=xSKcEmCTS8A  4:23 in traditional “Iron Man” fashion, Tony Stark and his pal Rhodey start making playful banter as danger approaches.
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https://www.youtube.com/watch?v=2SblMI1TEsE  3;00 these killers also like to use friendly banter to give targets a false sense of safety.
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https://www.youtube.com/watch?v=egwxhSI2iuY  0;21 Kelly became a bit of a smart aleck at times, but they were having somewhat of a friendly banter. ケリーは生意気だっただろうけどそれはおふざけのような会話だった。
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