There is, however, more than one way for a baby to produce a fountain. And if baby has drunk too much formula too fast and is lying on her back contemplating the nature of existence, there's the danger that there will be a fountain of warm formula leaping straight up in the air and landing everywhere it can reach.
Mostly, this was on Katie's face, which looked like she'd been painted to work as a mime. And it turns out that partially processed formula is even stickier than fresh formula, as daisy_knotwise
But it was very impressive. Now if we can just get her to do it in time to the music...