Older video of me. Turns out hot chocolate powder is a lot easier to work with than actually melting chocolate, you can control consistency, so I made up average chocolate slime, and then a thicker one. Feels amazing as it just engulfs my face.
Wow, very nice! Have you seen the Power Rangers video with the young guy (clothed, sadly) getting completely covered in melted chocolate? But give chocolate cake batter a try - most brands are sugar-based and wash off easily but can be made as thin or thick as desired (and it's cheap!).