Definitions

1. adjective

having a hump or a lump, especially on an animal’s back

“The old camel had a rumpy hump that seemed to be growing larger by the day.”

2. noun

a person with a hump or a lump on their back

“The rumpy was a common sight in the village, and the children loved to play with it.”

3. verb

to have or develop a hump or a lump on one’s back

“The old man had been rumpy for years, and it had become a part of who he was.”