speed stacking

speed stacking (countable and uncountable, plural speed stackings)

1. (uncountable, games) a competitive speed game where competitors stack and unstack nesting cups between stacked triangles and nested stack columns with rapidity
2. (countable, games) a performance of the action found in the game, of stacking, unstacking, or stacking and unstacking

(competitive game):

• sport stacking
• cup stacking

• speed stack
• speed stacker

speed stacking

1. present participle and gerund of speed stack