狗屁不通 - Chinese Idiom

狗屁不通

Literally means:

the dog fart does not get through

Actually means:

unreadable rubbish

狗屁, worthless stuff; 通, fluent.

This phrase is used to criticize one's writing or speaking for its incoherence or lack of logic or value. It is sometimes used as a curse. Derogatory.

狗屁，没有价值的东西。通，通顺。

狗屁不通，批评人家写文章或说话不通顺，不合情理，没有价值。有时用来骂人。具有贬义色彩。