soft, sticky matter; goo.
verb (used with object), gunged, gung·ing.
to clog with gunge (often followed by up).
Origin of gunge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
sticky, rubbery, or congealed matter
(tr; usually passive foll by up) to block or encrust with gunge; clog
Word Origin for gunge
C20: of imitative origin, perhaps influenced by goo and sponge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012