The cleaning of the flues of a boiler from scale an such like by a blast of vapor
- released, by fires, flames, or lights
- melt, break, or be usually unusable
- erupt in an uncontrolled way
in addition blowout, 1825, American English colloquial, "outburst, brouhaha" (what, in modern usage, could be called a blow up), from blow (v.1) + aside. Indicating "abundant feast" is taped from 1824; compared to "flat tire" is from 1908.
I pumped my fellow-prisoner as dry as I could, for fear I should never see him again; but at length he showed me which was my bed, and left me to blow out the lamp.