I take great pleasure in introducing this new word to you. It comes from our friends across the Atlantic and is a contraction of "glamourous camping". It means, basically, that a butler sets up your tent in the wilderness somewhere and a chef cooks your meals and a maid then tidies up. There are, of course, state-of-the-art portable bathrooms supplied.
There must be several, similarly wonderful names to be made up. Let me offer you "glagering", where a butler arrives at the bench of your choice and offers you a glamourous lager. I'm sure there's more...