Hacky Sack
noun US trademark (also hacky sack, hacky-sack, hackey-sack) uk/ˈhæk.i ˌsæk/ us/ˈhæk.i ˌsæk/
[ C ]沙包球，毽球，足沙包（Hacky Sack 本来是这种球的一个牌名称，后用来泛指这种球或体育活动）
the brand name for a small soft ball that is often kicked in the air in games
The two teenagers were kicking around a Hacky Sack in the school parking lot. 两名少年在学校停车场踢沙包球玩。
Footbag is the cool name for keeping a hacky sack in the air. “脚袋”是一个很酷的名字，指的是高高飞到空中的毽球。
[ U ]沙包球，毽球，足沙包
a game played with a small soft ball
Young people played Hacky Sack on the beach. 年轻人在沙滩上玩毽球。
It's an old Chinese sport and looks like a cross between badminton and hacky sack. 这种来自中国的活动历史悠久，看起来就像是羽毛球和沙包球的结合体。
- More examples
- I was juggling that thing like a hacky sack.
- The teacher tried giving boys hacky sacks to help them release energy and stimulate thinking.
- Combining the skills of volleyball, football, gymnastics and hacky sack might seem difficult to most of us.