A combination of the words fantastic and banter. To be used for the times the banter on its own is not enough, and fantastic just doesn't make the grade in expressing your past, present or future excitement over a situation or thing.
"I reckon tonight's gonna be bantastic"
"That poker game was bantastic"
"James got some bantastic abuse as regards to his massive shovel hands"
"I thought it was bantastic, but roomey just couldn't hack the manter"
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.