Just to clear up any misunderstandings, the term is 'Jumping Ship' which is an old sailing term applied to crew members who do not return from shore leave, or who join the crew of another ship and abandon their previous ship.
The 'sheep' bit is a mispronunciation of the word 'ship', OK so far? Good...
The term 'Jumping Sheep' could be construed literally as meaning sheep (or lambs maybe) frolicking in a field, but it also conjures up images of a man in big wellies performing an act of bestiality on an unfortunate creature. In other words a sheep sh
Neither of the above terms should be confused with a 'Woolly Jumper', which is an item of clothing worn in rather colder climates. A 'Woolly Jumper' is also a colloquial/humorous term to describe 'Sheep', but don't let this confuse you.
A 'Woolly Jumper' is not
a 'Sheep Jumper', which would more accurately describe our friend in the wellies mentioned above.
So to sum up, if you are getting sh
ed by your management, pack your woolly jumper, jump ship and head to Dunnunda land, where you may even meet a real sheep jumper.