1 definition by KingConyers

Noun. An expansion of the muffin top. A layer cake refers to both the roll of flesh bulging over tight fitting pants as well as the roll, or layer, of fatty flesh created by a tight fitting bra. The combination of fleshy rolls create a layered effect, ergo, the layer cake. While a muffin top can be sported by a woman of any size, a layer cake is a label generally attributed to larger women.
That woman's layer cake is jiggling whilst riding on the back of that motorcycle.
by KingConyers September 8, 2009
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