(archaic) A bill of health that states that there is infectious disease present in either a ship, or its port of departure.

(nautical) To sail in such shallow water that the ship's keel stirs the mud at the bottom.

plural of foul bill of health

By any means necessary, not excluding dirty tricks.

(idiomatic, proscribed) (Achieved or completed) with a single action; in a single stroke.

A condemnation of anyone who damages his or her own interests, reputation, or group.

present participle of foul one's own nest

simple past tense and past participle of foul one's own nest

To damage one's environment. / To hurt one's own interests, especially to damage the reputation of one's self, family or group.

Alternative form of foul-smelling