It means mockery, chanza, mofa, sorna, joke. Parrot between friends.
Word derived from the German bappa and Provençal baffa which means taunt, insult, contempt, disrespect, menospresio, outrage, insult, mockery, chungueo, disdain, derision, cachondeo, true, chanza, chufla
Friends or best friends (41 BFF;
It means when the person is ironic or even sarcasm