Shou is actually saying a pun that could mean "pagoda", but it could also be interpreted as her being kinda spacy and forgetful, as per many fanon depictions of her.
Eeekk!She got turned into something strange and deformed-nya!!CharismaNyan!Touhou 4koma Theater: Charisma EpisodeThis smells like an incident to me!Houtou?
Means Pagoda, Shou's sacred treasure*growling*Nyan!Woof...You... You mustn't...Taking things that aren't yours is bad...Hitori
artist name*squish*CharismaHow unusual-nya! I must take it home and show Satori-sama-nya!*BOING*Ah!Sh... Shou-chan!!*jerk*Hey there's a "Charisma" over here!Houtou?Aya-sama always says that one should act purely and righteously!*whoosh*Charisma*FLASH**POOF*Giiaa!But that would be such a waste-nya!