noun
- a large mass of congealed fat, grease, and other solid waste that accumulates in sewers and water pipes
Usage: informal; chiefly British
Examples
- The city's water authority discovered a massive fatberg blocking the main sewer line.
- Fatbergs form when cooking grease and wet wipes combine in the pipes.
- Plumbers had to use specialized equipment to break up the fatberg.
- The fatberg was so large it took weeks to remove completely.
- Residents are warned not to pour grease down the drain to prevent fatberg formation.