Swinging the tow-rope
A nautical term usually describing a sailor aboard a disabled yacht looking for assistance from a passing vessel. Exposing your penis in the hope that a complete stranger will provide you with a charity wank or hand-shandy.
Q: Is that Beasley on the foredeck swinging the tow-rope?
A: Put the binoculars down, Brenda..don't encourage him
A: Put the binoculars down, Brenda..don't encourage him