A girl wearing tight jeans that causes said girl's lower back fat/love handles to look as if it were a muffin top making her actual butt the base of the muffin.
Hot damn! Look at that muffin butt!
27π 17π
A girl who while sitting down is extremely hot, but when she stands up here ass is nasty huge like the top of a muffin.
What a dissapointment that bitch is a muffin butt
16π 45π
The amount of butt that hangs over the side or back of a seat
Did you see that chickβs butt muffin hanging off the back of her chair?!