He feels the warm wind from the dragon's throat wash over him.  Because of how much it's making him sweat, it makes it even harder to concentrate.  With a sudden twitch of Umi's tongue, Jakobi falls over again, this time face first into a puddle of saliva.  Now, completely coated in the thick fluid, he tries to get a good footing on the tongue.  But, he keeps slipping, and the soft surface of the flesh isn't helping at all.