The phrase "sticks nothing" can be classified as an idiom, meaning that it doesn't carry a literal meaning. However, it can be replaced by several synonyms that convey the same message, such as "doesn't stick," "fails to adhere," "loses its grip," "doesn't hold on," "slips away," and "falls apart." These synonyms are interchangeable and can be used to describe situations where something doesn't work as expected, whether it's a substance, a product, or a plan. As with any idiom, understanding the context in which it's used is crucial to grasp its meaning and usage.