gunk up

present singular third person gunks up · participle present gunking up · participle past gunked up · past gunked up

1. informaltransitiveTo soil or dirty; to mess up; to clog.

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

   2 more examples

   I don't want to gunk up my new shoes, so I'll wear the old ones in the garden.

   [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

   Synonyms: befoul, gunk, foul, jam, assoil, beclart, bedaub, bedirty