from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. superlative form of bum: most bum.
Sorry, no etymologies found.
"We got to the hotel in the afternoon, and dad went to our room to say his prayers, and take a nap, and had his supper taken to the room, and he was so scared at the awful surroundings in the park that he asked a blessing on the supper, though it was the bummest supper I ever struck.