to talk random nonsense (idiom); to say whatever comes into one's head
[北方口语]∶吹牛,信口开河那寡妇在屋里也听见了,开始以为孔驰仁胡诌乱傍,而且也听不十分懂,后来越听越觉着并非单纯虚张声势,于是也慌了神。—— 古立高《隆冬》
>>了解更多胡诌乱傍的成语接龙