a girls vagina when she is overly large and her vagina hangs over her underwear resembling a muffin
ew gross i bet that ones a poonmuffin!
by DOUG LEIKUM May 03, 2006
2 more definitions
poon muffin cameltoe
Those pants were too tight,you can see her poon muffin.
by pdub253 March 30, 2007