满口脏话也好过装纯装逼
[măn kŏu zàng huà yĕ hăo guò zhuāng chún zhuāng bī]
It translates to 'better be full of profanities than pretending to be pure or showy'. The user likely resents hypocrisy, preferring authenticity over affected modesty or boastful posturing that often misrepresent true character.