Typically for women with a muffin top. To ejaculate on a women's stomach after pulling out and spread it with your dick, like spreading butter on a muffin.
I don't want to get her pregnant so I'll butter her muffin instead. She might even suck me off after.
When you go ham on a girls diserable bits
I muffin crunch Brandon's sister every night
Woman1: do you know the muffin man?
Woman2: yes I know the muffin man!
The little boy with the chubby cheeks and always says baaaah!
Hey, look over there, there is the Muffin Man
A person who makes her friend buy a muffin for her and completely demolish it within seconds. The muffin gets everywhere.
Madilyn your such a muffin man.