A combination of the
Brownie Crunch and
Cleveland Steamer.
Step 1. Take a shit on your partner's chest.
Step 2. Wait for the shit to dry.*
Step 3. Proceed with the steamroller motion as per usual.
Step 4. Add
marshmallow drizzle.**
*This step may take several hours. You may want to have your partner give you a handjob to prepare for step 4.
**If using real marshmallow drizzle rather than semen, note that marshmallow products may contain gelatin.