believing that one boob size is inferior to another. belief in breast size superiority. animosity toward other breast sizes. person who judges one on the size of their breasts.
girl 1: they wouldn't give methe job because my boobs are too big.
girl 2: thats boobist.
You know that sweat stain that ladies get under their boobs? The sweat pours down the central boob canal, and out the sides in the underboob regions - thus forming the sweatstain in the shape of a mustache... aka, the Boobstache.
A person who's lifestyle revolves around boolin and has mastered the art of boolin/partying all day everyday. A boolist tends to be the life of the party and always knows how to have fun.
Rob: I just smoked a 15 gram blunt and funneled 5 beers, bro we boolin!
Joe: My son you're afucking boolist!