Dropping

[Sarah]

That which falls in drops; the excrement or dung of animals.Dropping bottle, an instrument used to supply small quantities of afluid to a test tube or other vessel.-- Dropping fire, a continued irregular discharge of firearms.-- Dropping tube, a tube for ejecting any liquid in drops.

[Dave Paprocki]

When you have no [vape] and are forced to drink the [vape juice] [a drop] at a time. Not ideal.

[Agnes]

present participle of drop