Biz Idiom of the Day- "jump ship" jump ship Definition: To leave your job; to move from one situation to another. Example: 1) When the company announced that it was losing money, many of its employees jumped ship. Etymology: A 'ship' is a boat - so when you 'jump ship' you flee (or leave) the boat by leaping over the side. http://www.peakenglish.com/slang/dailybiz.jsp