What is Jaffad?
If someone becomes "jaffad" they have had a jaffa cake shoved up their bum.
person 1: "lets put a jaffa cake in his anus!"
Person 2: "aaah! there's a jaffa cake in my bum!"
Therefore, Person 2 has been jaffad.
See jaffa, cake, bum, anus, my