Why use it to express your disgust as the jargon file says?
blargh /blarg/, n.
[MIT; now common] The opposite of ping, sense 5; an exclamation indicating that one has absorbed or is emitting a quantum of unhappiness. Less common than ping.
—The Jargon File (FOLDOC, faqs.org, astrian.net)
Use it as a metasyntactic variable instead!
blargh /blarg/, n. - Just Another Metasyntactic Variable.
I wonder why the obscure blargh.no comes up as the first result for this word on Google? I use this word quite frequently as a metasyntactic variable, and I want to make that particular form of use more widespread.
Moreover, on a wider sense, this page is an attempt to see just how high one can dominate search results with a very new page, and one or too usual links from highly ranked pages.