hacky sack編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看hacky sackhacky sack — 名詞名詞1. a small bag filled with beans or plastic pellets, used in a kicking game1.名詞釋義沙包a small bag filled with beans or plastic pellets, used in a kicking game例句He kicked the hacky sack to his friend.