请你吃炫迈和德芙

This username is actually composed of three parts: ‘Qingni’ means 'please have'; 'Xuanmai' and 'Defu' represent names of well-known snack brands – Mentos gum and Galaxy chocolate respectively. So the overall implication of the internet name 'Qingni chi Xuanmai He Defu', i.e., 'Invite you to have Mentos and Galaxy,’ can suggest friendliness and hospitality