n.
1 banter, raillery, ridicule, badinage, joking, teasing, twitting, Colloq kidding, ragging, Chiefly US and Canadian joshing:
After the speech, he had to put up with a lot of good-natured chaff from the audience.
v.
2 banter, tease, twit, rail at, Colloq kid, rag, Chiefly US and Canadian josh:
When he was in the navy, his family chaffed him for having a girl in every port.