polite banter or raillery
1asteism — n. Genteel irony, polite banter or raillery, delicate ridicule …
2persiflage — noun /ˈpɜː.sɪ.flɑːʒ,ˈpɝː.sɪ.flɑːʒ/ a) Good natured banter; raillery. After the third strike he returned to the bench to face the inevitable persiflage from his teammates. b) Frivolous, lighthearted discussion of a topic. Polite dinner calls for… …
