My first \#WednesdayChallenge of 2018:
"Eeeeee!", said Ozzie Reynolds as he shot headfirst out of control down the new water slide.
Awed by what seemed his sheer terror, Georgie Stokes & Arnie Sommerfeld also shrieked as they fell.
(Theme chosen by @33mhz: "rān|reyn|reɪn". Objective: write a short story at pnut.io, to a theme, in one post.)