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.

To go one's own way; to proceed independently, without regard to other people.

To do something out of motivation to solve a personal problem; to take matters into one's own hands.

(nonstandard, chiefly erroneous) Alternative form of off one's own bat

(Britain, Commonwealth of Nations) To praise oneself.

(idiomatic) To independently make the decisions or perform the duties, tasks, etc. which are one's own responsibility and which affect oneself.

To bring about one's own ruin, especially by offering goods or services for far less than they are worth.

To be exceptionally timid.