Anchor Ball - A black ball visible in all direction display in the forward part of a vessel at anchor. "The wife" (ball & chain) (if your game that is
Anchor Watch - A member or members of the crew that keep watch and check the drift of ship. "Wife's best friend"
Athwart- Across. Transversely. Nickname for someone who is always getting in the way.
Poop-deck- Roof of cabin built in the Aft. Nickname for someone who is bald, "Shiny on top"
Gooseneck- Swivel fitting on the mast to which the boom is attached. Self explained really

Nickname for someone with an extraordinary long neck.
Spinnaker- Large lightweight triangular sail for off wind sailing. Nickname for someone who won't stop talking, full of wind !!

a Havachat!!
Shrouds- Wires from the top of the mast to the side of the boat. Nickname for someone "tall and wire'ry"
Forestay- Wire leading from the near the top of the mast to the bow. Nickname for your best mate, someone who is "staunch & upright".
Foils- Collective term for centreboard and rudder. Same as above, Nickname for best mate, only they keep you on the "right path".
Baggywrinkle- Clumps of frayed rope that protect the sails from chaffing on the lines. Nickname for an "older member" of the group.
There are plenty of other names that could be used, try and Google "Sailing terms" here is one I found with a lot of sailing names/terms that could be used in jest or just sound good;
http://www.sailinglinks.com/glossary.htm