muffin top
n.β Β«My father-in-law told me about a new expression he had imported from Australia to describe the roll of fat that hangs over womenβs hipster jeans: “Itβs called a “muffin top.” Look, thereβs one,” he exclaimed, gesturing in the direction of my waistband.Β» ββBody Beautiful” by Lesley Thomas Daily Telegraph (U.K.) Jan. 8, 2005. (source: Double-Tongued Dictionary)