I'd like to smush a lovely looking and yet exceedingly messy birthday cake in a special someone's kisser. Trouble is I am not sure what to get or make. It just needs to look like a cake and doesn't actually need to be edible. The key factor is how messy it gets the recipient. I've thought about coloured shaving foam, defrosted Black Forest gateau, or just a plain old sponge piled high with whipped cream.
Any suggestions or recipes would be greatly appreciated.