裤裆有货不信试试胸口有料不信摸摸
[kù dāng yŏu huò bù xìn shì shì xiōng kŏu yŏu liào bù xìn mō mō]
This username suggests an attitude of defiance and challenge, translating roughly to 'If you think I'm bluffing about my assets or skills (literally or figuratively), then prove me wrong'. It’s often used humorously or ironically to convey confidence.