Suppose you notice that the avocado got some white or black spots or lint. In that case, it is spoiled since it developed mold. Another sign that tells you that the avocado got terrible is its smell; when it smells bad or rotten, get rid of it. It is also not advisable to eat avocado if it tastes strange. If the avocado is exceptionally soft and very moist, with the peel too brown, and the pulp is very dark, discard it because it has already rotted.