A person of low intellect. The kind that watch reality TV shows, or like the band U2. A demi-moron, has a slightly higher intellect than your average moron, by about 2 extra brain cells. Word coined by radio presenter, Tommy Boyd in December 2004.
1.That demi-moron went to see U2 last night.2. The demi-morons, are out in force. 3. 50% of the population are demi-morons. 4. Bono is a demi-moron.