>>142161>むちぽちゃAn amalgam of two different onomatopoeia sort of words. Roughly means chubby/squishy, typically in a positive/cute way.
>大妖精A Touhou character. Midboss of EoSD stage 2. Easy as fuck if you're not incompetent.
>さんAn honorific, ya dum dum.
Pic related is a むちぽちゃ大妖精さん.
What am I doing with my life?