hacky-sack
/ˈhakɪsak/(also hackie-sack, hackey-sack, hackysack) originally US
noun
A type of small beanbag designed to be kicked in the air.
- A trademark in the United States..
Origin
1970s; earliest use found in Newsweek. From hacky + sack, apparently after hack the sack. Compare.
- night-flowering
- night-fly
- night-flyer
- night flying
- night-gear
- night-glass
- nightglow
- nightgown
- nightgowned
- night-hag
- nighthawk
- night-herd
- night-herder
- night-herding
- night heron
- night horse
- night house
- nightie
- nightie-night
- nightie-nightie
- nightingale
- nightingale floor
- Nightingale, Florence
- Nightingale ward
- nightish