And then i fall in

The frosting says "FEED ME SEYMOUR." Despite not having a mouth.

And then it devours weird al in a fursuit

The cake eats the whole universe and then the sun makeing a cake universe where everything's cake and cakes good for u.

Then a mutant frog licks a cherry

I all ready said that, u are coping me.

not by the cake, by the pink furry in the background

That's Mina-cats u fool