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.
Common causes of mouth ulcers. The most common causes of mouth ulcers are related to disturbances of the mouth and include: 1  Bacterial infections. 2  Canker sores. 3  Dietary deficiencies, such as lack of vitamin B-12, zinc, folate (folic acid), or iron. 4  Emotional stress. 5  Food allergies. 6  Nutritional deficiency. 7  Spicy foods.