番茄你个西红柿a土豆你个马铃薯a
[fān qié nĭ gè xī hóng shì a tŭ dòu nĭ gè mă líng shŭ a]
This username employs repetition and colloquial expressions for 'tomato' and 'potato'—both common in different dialects—to mockingly address someone or vent frustration, translating to 'Tomato! What a tomato; Potato! What a potato'. A rather lighthearted way of showing annoyance.