1. people who carelessly drop or leave trash in public places
Usage: plural of litterbug; informal

Examples

• The park rangers posted signs warning litterbugs about fines.
• Litterbugs make our beaches dirty and unsafe for wildlife.
• The city launched a campaign to educate litterbugs about proper waste disposal.
• Those litterbugs left their fast food containers on the hiking trail.
• Community volunteers organized a cleanup to address the mess left by litterbugs.
• The school taught students not to become litterbugs by always using trash cans.