Collective term used by the incognoscenti for the ropes and what-not that keep the sails up on old ships, eg. "Tighten the friggin, Mr Bosun, she's pulling hard before the wind, arrrrrrrrr."
The old sailing song, "Frigging in the Rigging" refers to the practice of waving rope around to distract people from fixing boxing matches. This is because Bookies have notoriously short attention spans.
Note: Sailing fanboys get very irritated when incorrect terms are used. For example, sails are sheets, ropes are lines and ships can be any one of boats, yachts, submarines, dinghys, cable cars or hot-air balloons. Also these fanboys get mad when you refer to a certain type of Wine as Port as they prefer the term Chardonnay.