Calvinball

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A deliberately absurd sport without fixed rules. uncountable

    "And every time I would play serious tackle Nerf Calvinball out in the park somewhere, it played over and over in the back of my mind -- what would I do if I broke an arm?"

Example

More examples

"And every time I would play serious tackle Nerf Calvinball out in the park somewhere, it played over and over in the back of my mind -- what would I do if I broke an arm?"

Etymology

From Calvin + ball. From a fictional game without rules, played in the comic strip Calvin and Hobbes.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.