The phrase "steady drip" refers to a continuous or regular flow of something, usually used to describe a persistent, ongoing occurrence or situation. Full definition
These foods are digested slowly, and they produce a nice steady drip of glucose into the bloodstream. (coachcalorie.com)
Flash Fiction # 1 A steady drip, the smell of gasoline. (neciaphoenix.com)
In a new study, an international team of scientists claim that the most powerful volcanic eruptions, dubbed «super-eruptions», are triggered by a slow and steady drip feed of magma from large reservoirs deep within Earth's crust into smaller reservoirs closer to the surface. (sciencedaily.com)