Mädamuna

Mädamuna is a term of Estonian origin that literally translates to "rotten egg" or "putrid egg." It is colloquially used to describe a foul or unpleasant smell, specifically reminiscent of the odor produced by decaying eggs. This smell is primarily due to the presence of hydrogen sulfide gas, a common byproduct of the decomposition of organic matter containing sulfur.

The term "mädamuna" is frequently employed in everyday conversation in Estonia to identify or complain about a strong, offensive odor. It can be used to describe a variety of sources, such as a spoiled food item, stagnant water, or even certain industrial emissions. The vividness of the comparison to a rotten egg makes the term easily understandable and effective in conveying the unpleasantness of the smell.

While the literal meaning is straightforward, the term can sometimes be used figuratively to describe something that is perceived as unpleasant, rotten, or morally corrupt, although this usage is less common than its literal application to smell. The primary and most widespread use of "mädamuna" remains tied to its olfactory association.