When an extra eco-friendly person shames you for using convenient everyday plastic or paper products that have recently been deemed harmful for the environment.
My coworker plastic-shamed me for ten minutes when she saw my sandwich in a plastic baggie.
Dustin plastic-shamed the waiter for offering us straws.
Kaitlin bought me reusable diapers for my newborn, plastic-shaming me about dirty diapers in land fills.