stroller bomb
Disposable diaper disposed of inappropriately. Tightly wrapped to form a ball shape, these are often left behind in parking lots or walkways through which strollers pass. Sometimes these are thrown from a moving vehicle, though probably not directly from a stroller.
See: pram grenade.
See: pram grenade.
Careful, you don't want to step on a stroller bomb. This parking lot is full of them.