someonia Share definition Flag an undiagnosed medical condition that is characterized by a severe worsening of the common cold. Usually necessitates undesired or unaffordable medical attention. See someitis. If I had health insurance, I would go to the doctor for my someonia. someonia by mlle h March 27, 2009 0 0 Get merch Get the someonia mug. Buy Now — $32.95 See more merch