Best definition
waterbed people
people who own or enjoy any or all of the following items; a waterbed, a pet reptile or spider, glow

in the dark posters, a blacklight, crystal figurines of mystical figures like unicorns wizards etc., eagle tee shirts, dragon shirts, jnco jeans, anything with a wolf on it, teen pregnancy, zimas, and last but not least eyebrow piercings.

ashley: look at that guy at that table with that weird mystical dragon shirt, jncos, and nails in his face.

lindsay: yeah he is waterbed as fuck.

ashley: we should have never come to long john silvers in apache junction too many waterbed people.