Don't forget "berth" where the ship docks
Geedunk is a Navy term used on land as well as sea.
Others: how about TA - Travel agent or a Trans Atlantic cruise
A Bad Day At Sea [with power] Always Beats A Good Day At Work
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014, Regal 2014