noun
Gekiochi-kun (melamine foam sponge)
Brand name for a melamine foam cleaning sponge sold by LEC; often used generically for similar melamine sponges.
激落ちくんでシンクの汚れを落とした。
I cleaned the sink stains with a Gekiochi-kun sponge.
Generic term for melamine foam sponges; 激落ちくん is a specific brand.
Product name coined by LEC, combining 激 (intense), 落ち (removal), and くん (friendly suffix).