逗比逗比蹦擦擦萌比萌比偶买噶
[dòu bĭ dòu bĭ bèng cā cā méng bĭ méng bĭ ŏu măi gá]
This username combines internet slang and humor. 'DouBi' translates to someone who acts foolish or silly in a fun way, often used humorously. 'Beng Chacha' could be interpreted as an exaggerated version of dancing or partying. 'Oh My God' (偶买噶) at the end expresses surprise or amusement.