# hacky sack

> English word · Noun

## Definitions
1. A game or activity in which one or a group of players try to keep a footbag off the ground using only their feet.
2. The footbag used for such a game.

## Etymology
A trademark of Wham-O. First use appears c. 1977. It uses a reduplication of the word sack with the word hacky; a hack, in the game's terminology, is akin to a point, and happens when every player in a group successfully passes the footbag.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hacky-sack