Definitions

1. noun

The practice or culture of wearing or collecting novelty jumpers, especially those with humorous or ironic designs.

“The quirky fashion trend was a perfect example of jumperism, with people showing off their favorite cartoon character jumpers.”

2. noun

A person who enjoys or participates in novelty jumper culture, often seen as quirky or eccentric.

“He was known as a jumperist for his extensive collection of neon-colored animal jumpers.”