Grapara!

Here are the most likely possibilities and a guide for each:

Word of Sophia's magical phrase spread quickly, and soon people from all over the region were coming to visit her, hoping to catch a glimpse of her comedic genius. Sophia was more than happy to oblige, using her "Grapara!" to bring joy and laughter to all who needed it. grapara!

or "Grampa" (Slang)