Hawaiian Rollercoaster
Where one has sex with a Hawaiian in cowgirl/boy position.
Karen: Hey Regina, how was last night?
Regina: It was great, took a hawaiian rollercoaster with Kai.
Karen: OOOOOOOOOOOOOOOOH!
Regina: It was great, took a hawaiian rollercoaster with Kai.
Karen: OOOOOOOOOOOOOOOOH!