What are some of the thicker substances that are good to head dunk in? Want a good covearge on face. Bulk too?

1.I have done marshmallow fluff- very fun
2. What type of frosting?
3. Is it possible to get enough honey?
4. i guess vegetable oil isn't that thick
5. not sure how much cake batter mix i need for a mop bucket? Tried once and it was just flour water, guess i need oil etc?
6. tar/treacle/molasses- stinks lol
7. others easily accessible?

thanks so much for your time.