slack fill
n.— «An investigation revealed that Mucinex’s packaging violated state law concerning “slack fill,” a term used to describe fake walls, fake bottoms or excessive amounts of non-functional space.» —“Settlement in ‘slack fill’ case to bring $100,000 to Sacramento County” by Niesha Lofing Sacramento Bee: Sac 9-1-1 (California) Dec. 19, 2008. (source: Double-Tongued Dictionary)
Further reading
After our conversation about nighttime wakefulness, a Sacramento, California, woman shares the funny story behind the term she and her husband use for that phenomenon: squeegee. This is part of a complete episode.
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