Gimlet

[Sarah]

A small tool for boring holes. It has a leading screw, agrooved body, and a cross handle. Gimlet eye, a squint-eye. [Colloq.]Wright.

[Sarah]

The act of trying to catch sperm in one's own eye socket, or chin dimple, whilst masturbating.
From the relatively unknown Buddhist semi-state of Goomlut - a feeling of enormous self satisfaction; a sense of accomplishment; smugness if you will.