To begrime; to cake with dirt.
Dirt, grease, soot, etc. that is ingrained and difficult to remove.
A genre of urban music that emerged in London, England, in the early 2000s, primarily a development of UK garage, dancehall, and hip hop.
To soil or dirty; to mess up; to clog.
I don't want to gunk up my new shoes, so I'll wear the old ones in the garden.