ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: litter (II) + bug
: one that litters a street, park, or other public area with waste paper, trash, or garbage
hand out summonses impartially to litterbugs, whether they are motorists, pedestrians, or throwers of refuse from apartment windows — Charles Grutzner
don't be a litterbug