Top definition
An unpleasant mix of something or others that have, over time, become permanent.

Stains do not count unless they consists of enough mass to elevate them at least a half of a millimeter from the surface to which they cling.
The health inspector was probably not going to be sympathetic to the food establishment's permagunk problems.
by Paul the Cow May 20, 2010
Get the mug
Get a Permagunk mug for your fish Julia.