UK politics, 1962—to delay dealing with something, in the hope that it will be forgotten—from the image of sending a ball into the tall grass off the playing field during a sporting event, which interrupts this event
USA, 1995—a woman thought to have become intolerably obsessive or overbearing in planning the details of her wedding—from ‘Godzilla, the suffix ‘-zilla’ is used to form humorous nouns which depict a person or thing as a particularly fearsome, relentless or overbearing example of its kind
UK, 1879—when matters become difficult or serious—of obscure origin—perhaps originally in reference to a music-hall song of that title, interpreted from 1870 onwards by Annie Adams
early 1930s—in an anti-climactic, disappointing way (used of something that comes to an end)—alludes to the last line of The Hollow Men (1925), by T. S. Eliot
USA, 1930—used either literally or of something that should not or cannot be named or mentioned—alludes to ‘The Greeks Had a Word for It’, the title of a 1930 stage play by Zoe Akins
humorous variant of ‘one man’s meat is another man’s poison’—Australia, 1872—used in particular of the opposition between flesh-eating and fish-eating in relation to the religious observance of fasting
UK, 1810—tenacious, persistent, obstinate—unwilling to yield, to relent or to let go—unable to set aside a preoccupation or obsession—the image is that a dog with a bone will not let go of that bone, no matter what