To stick, like boots in mud
Unburned carbon (smoke) from a steam or diesel locomotive, or multiple unit.
Bits of rubber which are shed from tires during a race and collect off the racing line, especially on the outside of corners (cf. marbles).
A glue or paste made from starch.
Low cloud, fog or smog.
To make foul or filthy; soil; befoul; dirty
A stain or spot (on clothes etc); any foreign substance that worsens appearance.
Previously unknown facts, or the invented "facts", about a person.
Meanness; sordidness.
In placer mining, earth, gravel, etc., before washing.
freckles
Soil or earth.