Writ large: When something is writ large, it is prominent and highlighted.

Write your own ticket: To get something the way you want it, on your own terms.

Written all over your face: It means your expressions can clearly tell what you have done or are thinking of.

Written in stone: Something that cannot be changed.

Wrong end of the stick: To misunderstand something.

Wrong foot: To make a wrong start or beginning.

X marks the spot: This idiom is used to tell or indicate the location of something, particularly when something is hidden somewhere.

Yank my chain / Stop yanking my chain: This is used to tell someone not to disturb you and to leave you alone.

Yellow press: This is a term used for newspapers or press in general, that tends to sensationalise the news.

Yellow streak: To be a coward regarding something.

Yellow-bellied: A coward.— Ahzam Ahmed