(informal, transitive) To soil or dirty; to mess up; to clog.

(uncountable, informal) Dirt or grime; any vague, messy, or unknown substance. / (uncountable) A subculture of 21st century American males, combining elements of modern gothic culture with punk rock.

To soil or make dirty

Of a dark grey colour with a tint of blue.

One who operates the gun in the rear turret of a bomber. / (colloquial) One whose function in an organization is to defend it from attackers, for example, in public relations or public affairs.

The top edge of the hull of a nautical vessel, where it meets the deck.

(obsolete) Alternative form of gong: an outhouse.

(Britain) A viscous or sticky substance, particularly an unpleasant one of vague or unknown composition; goo; gunk. / (organic chemistry, informal) Tholin.

(often with "up") To clog with gunge. / (Britain) To cover with gunge.

(British India) Alternative spelling of ganj