speed stacking

speed stacking (countable and uncountable, plural speed stackings)

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

(competitive sport):

• sport stacking
• cup stacking

• speed stack
• speed stacker

speed stacking

1. present participle of speed stack