1810 Oxford Univ. & City Herald 1 Sept. 4/2: Mr. R. continued to call out ‘murder’ so loudly, that the whole neighbourhood were alarmed, when he heard a voice say, ‘flash it,’ (the slang phrase to be off).at flash it (v.) under flash, v.4
1829 Oxford Univ. & City Herald 7 Nov. 4/1: Hell will be your bed, and blue blazes your blankets.at blue blazes (n.) under blue, adj.5
1851 Oxford Univ. & City Herald 4 Oct. 2/4: The multitude [...] displayed their gratitude in a strong inclination to ‘smash’ the windows of the liberal bonnet-builder.at bonnet-builder (n.) under bonnet, n.2