Litter consists of waste products that have been disposed of improperly, without consent, at an undesirable location. Litter can also be used as a verb. To litter means to drop and leave objects, often man-made, such as aluminum cans, cardboard boxes or plastic bottles on the ground, and leave them there indefinitely or for others to dispose of as opposed to disposing of them properly. Litter consists of waste products that have been disposed of improperly, without consent, at an undesirable location. Litter can also be used as a verb. To litter means to drop and leave objects, often man-made, such as aluminum cans, cardboard boxes or plastic bottles on the ground, and leave them there indefinitely or for others to dispose of as opposed to disposing of them properly.