侃大山kǎndàshānMeanings1. to chatter idly2. to gossip3. to boast or bragCharacters used侃upright and honest大big山mountainExamples1消磨时间xiāomóshíjiān的de最zuì有效yǒuxiào办法bànfǎ当然dāngrán还是háishi聊天liáotiān吹牛chuīniú侃大山kǎndàshān。The most effective way to kill time, of course, is chatting, bragging, and having wild conversations.