sit-ski
n.— «Of course, this is done while skiers are strapped into a seat and perched atop a shock absorber and a single ski. The rig is sometimes called a “sit-ski.”» —“Winter X Games: One ski, but twice the fun” by Ken Gordon Columbus Dispatch (Ohio) Jan. 24, 2008. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Outdoor enthusiasts divide the idea of fun into three categories: Type I fun is guaranteed to be pleasant, like get-togethers with good friends, Type II fun is miserable when you’re having it, but enjoyable in retrospect, and Type III fun is simply...