👉 Jammy is a colloquial term in English that refers to a sour or bitter taste, usually from fermented foods. It can also refer to a type of fermented food like sauerkraut, which is made by fermenting cabbage and other vegetables with yeast. Examples include sourdough bread, kefir, and kimchi. Jammy flavors are often associated with certain types of fermented foods, such as sauerkraut, which is known for its distinct, sour