Alternative form of turn in one's grave

To lay hands on.

plural of one-line whip

(simile) Faithful to a promise one has made.

Alternative form of show one's true stripes

(Scotland, idiomatic, dated) To bother oneself; to worry about something.

(transitive, idiomatic) To desire with intensity and commitment, to earnestly long for.

(slang) To expend all of one's resources or efforts; to express all the arguments or ideas which one has. / (slang) To spend all of one's money. / (slang, vulgar, of a man) To ejaculate.

Alternative form of stick to one's knitting

(idiomatic) To commit a murder in order to be respected in a criminal gang. / (idiomatic, by extension) To establish one's bona fides; to establish status and respect.