late 18th century, in the context of piracy: to walk along a plank placed over the side of a ship until one falls into the sea—hence, figuratively, early 19th century: to be forced to resign from one’s office or position
nonsense, rubbish—USA, first decade of the 20th century—probably a euphemism for the noun ‘bullshit’, with the noun ‘dust’ used in the sense of ‘rubbish’, ‘garbage’
1910: a cheap and common watch—hence (from 1922 onwards) used in various phrases referring to silliness, reliability/unreliability, erraticism, cheapness, funniness
refers to a person who is ignorant or dismissive of the hardships of others—alludes to the phrase “let them eat cake”, attributed to Marie Antoinette, wife of King of France Louis XVI
USA, 1950, as ‘shopping-bag stuffer’—an advertising leaflet or similar piece of promotional material handed out to shoppers or placed in shopping bags alongside goods purchased
the fatty extremity of the rump of a goose, fowl, etc.—so called from the resemblance of this fatty extremity to the human nose—UK, 1826—earlier synonym: ‘pope’s nose’ (UK, 1788)
UK, 1848: a tendency to ‘talk shop’—UK, 1854: something that is characteristic of a shop displaying various kinds of goods (i.e., something that is composed of disparate commonplace elements)
UK, 1851—a person (or persons) or a thing (or things) considered unattractive, inferior or unpleasant, compared to others of the same type or group—alludes to Cinderella’s ugly and unpleasant stepsisters in the fairy tale Cinderella