fatberg

noun

fat·berg ˈfat-ˌbərg

plural fatbergs

: a large mass of fat and solid waste that collects in a sewer system

The toxic lump of congealed fat and household waste—known as a fatberg—was 40 metres long and so heavy that it broke the 1940s-era sewer.—

Rebecca Ratcliffe

Restaurants are a big contributor to fatbergs: Thames Water, the London utilities company, found nine out of 10 fast-food eateries lacked adequate grease traps to stop fat from entering the sewers.—

Eve Watling

Examples of fatberg in a Sentence

Recent Examples on the Web

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The sewer has a fatberg. —

Will Pritchard, Wired, 13 Nov. 2021