A lot vs. Alot: 9 Grammatical Pitfalls
1930, "elastic rope;" used in late 19c. British schoolboy slang for "rubber eraser;" probably from notions of bouncy and spongy; first record of bungee jumping is from 1979.
: bungee cord/ bungee jumpnoun
Rubber; a rubber eraser (late 1800s+ British schoolboys)