A Cowboy riding down the trail encounters an Indian laying on the trail with hard on. The Cowboy asks what are you doing?

Indian says Me tellum time. Cowboy shakes his head, rides on, encounters another exactly the same. Says You telling time? yup how can you tell time like that?

Indian says workum like sundial, readum shadow. Cowboy, incredulous, rides on. Encounters Indian in trail masturbating. Cowboy says let me guess, youre telling time too.

Indian says Nope. But me windum clock!