gunk up

verb

gunk up

verb

1

Informal 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.
The sandpaper strips off the old green paint, but it gunks up quickly.

1 more example

[Your intake valve] is looking pretty gunked up. No wonder you're not getting any juice.2012, The Onion Book of Known Knowledge, page 102:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.