muffin

Burn the British: toasted English muffin-from the restaurant diner lingo

Muffin: idiot, fool. "You look like a right muffin with that hat."

"Muffin-top" is a generally pejorative, slang term used to describe the phenomenon of overhanging flesh when it spills over the waistline of trousers or skirt in a manner that resembles the top of a muffin spilling over its paper casing- from wikipedia