live on (one's) (own) hump(redirected from lives on his own hump)
live on (one's) (own) hump
obsolete To be self-sufficient by using only one's own resources. An allusion to camels, whose humps store large deposits of fat that allow them to survive for long periods without eating. He decided to cut his children off from his money and let them live on their own humps for once. After high school, I gathered up all the money I'd been saving, moved out of my parents' house, and set out to live on my hump for the first time in my life.
live on your humpbe self-sufficient. informal
The image here is of the camel, which is famous for surviving on the fat in its hump without feeding or drinking.