gunk

[ guhngk ]
/ gʌŋk /

noun Informal.

any sticky or greasy residue or accumulation: gunk on the oil filter.

Origin of gunk

An Americanism dating back to 1932; originally a trademark name for a degreasing solvent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for gunk

gunk

/ (ɡʌŋk) /

noun

informal slimy, oily, or filthy matter

Word Origin for gunk

C20: perhaps of imitative origin
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