我是土豆又土又逗我是柠檬又拧又萌
[wŏ shì tŭ dòu yòu tŭ yòu dòu wŏ shì níng méng yòu nĭng yòu méng]
The username translates to 'I am a potato, both plain and silly; I am lemon, both sour and cute.' It describes oneself humorously as being ordinary ('土tu') yet entertaining and playful ('逗dou'), while also acknowledging sour experiences ('拧ning') but remaining adorable or endearing.