The story
Apparently from Gunk, trademark name for a liquid soap; perhaps taken as a blend of grime + funk.
Etymology from Wiktionary, CC BY-SA 4.0.
gunk
Today it means: Grime, dirt, slime; any vague, messy, or unknown substance. Full definition →
Today it means: Grime, dirt, slime; any vague, messy, or unknown substance. Full definition →
Apparently from Gunk, trademark name for a liquid soap; perhaps taken as a blend of grime + funk.
Etymology from Wiktionary, CC BY-SA 4.0.