Hacky Sack (also known as "Hackey Sack") is the trademarked name of a type of footbag.
Read more about Hacky Sack: History
Famous quotes containing the word sack:
“There is nothing but roguery to be found in villainous man,
yet a coward is worse than a cup of sack with lime in it.”
—William Shakespeare (1564–1616)