(jibber, pronounced djibbar) An eccentric or pseudo-eccentric person who usually follows the jazz-scene, and the stereotypical features that follow, including but not necessary knitted sweaters, glamorizing of excessive coffee-consuming, and patriotic view on local values, like dialects.
"Hey, have you seen those guys behind the gym at school? They are totally jibbers man!!"
A Jibber is a person who cunningly acquires an item or object they require for personal use without the exchange of cash, cards or cheque. A Jibber could also artfully 'dodge' train, taxi and bus fares.
Dan; i had to get the train to London the other day but had no wonga on me, anyway i managed to jib my way there....