Four-letter acronym. My Eyes Glaze Over. Example: Aunt Paloma's reaction when you try to explain your use of Linux, the Choice of a G(uh)NU Generation, or the difference between free and free. That's Bad MEGO, since you're trying to communicate. Good MEGO is a weapon: a politician uses it to avoid scrutiny - e.g. an explanation of the minutiae of a tax cut or the shell game of the Social Security surplus. Your mind will drift toward thoughts of daffodils and ponies.