Technonoise is a genre of electronic music, which is popular in Europe. As the word implies, technonoise is a noisy version of techno music. Tecdhnonoise is underground, non-mainstream, kind of music.
An IT Specialist who knows nothing about IT but is able to fool many people into believing he is a Specialist due to impressive googling skills and improvisation of previously implemented IT protocols.
A technically educated person who, because of their extensive education and high IQ, is prone to use technical jargon but has no clue how to apply technology in real life situations.
Jim: "If Microsoft Word is not flagging a clearly misspelled word, is it because there is a patch that I need to download and install?"
Jane: "No, you technodouche, it's because you're typing in all caps."