[1][2] It depicts the sexual adventures of Eveready Harton (a pun on "ever-ready hard-on"), whose perpetually aroused, comically oversized penis at times detaches and acts on its own.
The six-and-a-half-minute silent black-and-white film was produced anonymously, reportedly a joint project by three mainstream studios for a private animation-industry party.
A title card states that Eveready has escaped "a band of Hoary Amazens [sic]" with "his treasure", ending on a desert island.
The donkey invites Eveready to take over, but jumps out of the way as he leaps to penetrate her, causing him to land on a cactus instead, embedding spines in his penis, which he must extract.
[1] The artists are unknown, but a widespread rumor states that a group of famous animators created the film for a private party in honor of Winsor McCay.
[1] The short circulated informally, shown only at small underground festivals or parties, until 2002 when it was included in the theatrically released compilation The Good Old Naughty Days.