A versatile word that is numerous in meanings. Originating in Sydney, Australia, and developed by Robbo (the big june), it is used in the phrase to "june out". Since its origination in Sydney, it has spread via BBC to international status. To june out means to alter ones state of mind. It can occur from excessive consumption of alcohol, or when one is perhaps day dreaming in a class at school. It may also be used as a title, where "the big june" means to be one of the greats.
"Oh man, i was juning out massively in maths this morning!!"
"Jonathan Batty is the Big June"