Kool-Aid's association with Jonestown has turned into a common meme and saying: An Internet meme depicts the Kool-Aid man in relation to Jonestown. The surprising thing is that all the sources on the massacre say the powder was the grape variety of another drink brand, Flavor Aid.
Causes of Mouth Sourness. 1  Invariably, anaerobic bacteria produce a sulfur smelling sour taste and bad breath, that you may face in the morning. 2  Posterior nasal drip is another cause for sour taste. 3  Acidity due to a reflux of the stomach contents causes extreme sourness.
Poor dental health and poor hygiene are other potential causes of a bad taste in the mouth. Dysgeusia is the medical term for an impaired sense of taste. It can result in unpleasant taste sensations ranging from metallic to salty or bitter. The bad taste may also be described as foul or rancid.