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1.
The spreading of the gluteus maximus in women when they out grow their teen years. When a women eats too much and her ass grows larger and larger.
My ex-wife was stricken with Gluteal Spreadinitis after eating too many Twinkies and Ho-Ho's.
by farting dumb ass March 12, 2009

Words related to Gluteal Spreadinitis

ass for days big ass big booty fat ass lard ass