A boulder booty is a butt that is usually big, that many cases it will be considered sexy, but it isn't within situation. A boulder booty does not have any particular shape plus it appears as though when god was causeing the girl's butt he had been simply slapping on levels of fat like Play-Doh. Many boulder booties contain cellulite, wrinkles, dimples, along with other items that will make it nasty searching. This is when the term, "Just because its a big booty doesn't mean its a nice booty" originates from. Females which have a boulder booty will have a FUPA.