Used to describe an amazingly cool person in the south of
England but refers to a moronic retard in the North, Wales and
Scotland. Can be used to
mean beer in Ireland and in most places of the UK
Person 1: How's your time in Manchester ?
Person 2: Fine apart from my new room mate is a complete jackalaka
Person 1: Thats a shame. Maybe you should throw him out the
window whilst you sleep
Person 2: That's a
bit mean. He isn't that bad a jackalaka unlike my classmate
Jack.