The meringue as a simile for impermanence, which prompts me to invent a new sweet bake, the melt in your mouth ephemeringue (you heard it here).
Alternatively, in the age of climate change, how about ‘as permanent as sea ice’ or ‘as permanent as a glacier’, or for the finance-savvy among you, ‘as permanent as a bull market…’
… feels about as permanent as a meringue.
Source: Louis Golding, Good-bye to Ithaca (London: Hutchinson, 1955), p. 103
Photo credit: Enotovyj at pixabay