You realize that it's no use; you were meant to feed this frog. It was no coincidence that you met up with him, but mere destiny.
Crawling inside that last bit of the way, your ass slips inside of his mouth to join the rest of you. As expected, the mouth slowly closes shut behind you. You are now trapped, sealed inside the mouth of this frog. It is only a matter of time before the frog devours you now. The very thought sends a shudder down your spine.
The frog's tongue suddenly shifts, rubbing against your naked body. The result is electric, setting your body on fire. You lean lower, pressing your body against his tongue so that he can get another taste of his next meal. At first, the tongue doesn't seem to respond. Then, slowly, the tongue moves again, licking your chest and pussy. It seems as though the dormant frog is slowly waking from his deep slumber.
You realize that if you were to wiggle your ass around, you would rouse him all the quicker. What a surprise that would be for him, to realize that he had a mouth full of wiggling food, ready and waiting to be eaten. But then again, it might be an even more clever trick to see if you could pull one last sneaky move and slip into his belly without waking him. He would wake with a full belly and not even realize what he'd eaten!