I always thought a dobber was a type of wasp. Google Images shows a lot of fishing gear.
The Scotts have a slang meaning, you'll have to look that one up yourself.
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