I think Eirin's trying to say "shujutsushitsu" (手術室, "operating room"), but this gets the idea across.
Updated
Prepare for surbery, stat!
I think she's trying to spell 手術 (Shujutsu)... poorlySur-Sur-Shuberry...Master! It's an emergency!Wait, no! Surbur.... Surgely...Serverly... Sugary...Whatever! Just hurry!Sur-Sur-S-erver-ger...AAAAAAAAAAAAAAARGH!!!