Comes from the brand name 'Jaffa' which was a company that supplied oranges in Ireland.
Hence; King William of Orange from holland was a protestant who's army defeated king James's of england who was catholic at the 'Battle of the Boyne', Ireland 1690.
The national color of Holland is orange and traditional marches that commerate the historic battle are called orange parades, the marchers wear an orange sash in memory of their historic Dutch king.
It basicly means Just Another Faggot Fucking Aucklander,
the use of this trend is popular outside of Auckland and is commanly used when describing an aucklander.
drinks like a jaffa to
Dave-That girl is sooo hot!
James-She's beyond hot- she's jaffa.
Kate-That sounds amazing!
Angela-It's more than amazing...it's jaffa
The Double Jaffa – When two people Jaffa the same victim
The Uber Jaffa – When 2 or more people Jaffa one person, and that person is pulling a rather ridiculous face/pose
The Jaffa Off – When 2 people in the picture unknowingly Jaffa each other at the same time – in that case best Jaffa wins
The Dangerous Jaffa - Jaffa'ing a stranger who may well kick your head in if discovered
http: //www.facebook.com /group.php? gid=2313754058
The group site is called 'You've been Jaffa'd' here members can upload their photos, so plenty of good examples.