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.
by passima December 30, 2008
Get the Muffin Buttmug. 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.
by Joe January 13, 2005
Get the muffin buttmug. by HilltopHillbillies June 3, 2023
Get the Butt Muffinmug.