a word used, generally while excited, to express nothing of importance yet conveys to the listener that you are cool enough to combine blase awith arg, and are therefore a Frenchpirate
alternately, it can be an expression of boredome
it may also be used to confuse, since it has no meaning
Borgus water is pretty disgusting, it is in the borgus lake, only chads are physically able to withstand borgus water. Borgus water is in the swamp, where shrek lives, it's also the green water in your sink
"Did you see how gross that water was?"
"Yep, looks like borgus water to me."