1 definition by Dooner P. Jenkins
Noun \ˈfat-bərg\: A mass of festering food fat mixed with wet wipes and sanitary products found in a sewer system.
"Given we’ve got the biggest sewers and this is the biggest fatberg we’ve encountered, we reckon it has to be the biggest such berg in British history."
by Dooner P. Jenkins August 5, 2013