The act of Inserting the index finger into a vagina for pleasure only to leave it there stationary until awkward silence is broken.
It is customary to salute these men when seen with the arm extended and the index finger pointed to the horizon.
Like in the Star trek movies it means you are fucked.
You promote someone to Captain therefor putting al the blame and responsibility on that person. So you can sneak away.
When 6-8 dudes all work each others dicks while in a circle, or all the dudes work one selected mans dick, while still forming a circle (eye patches, captains hats also can be added for style points)