The act of taking your hand and making a chop
motion on a persons shoulder near the neck area while saying in a
loud manner, "Judo chop-
HAI!"
1. Find a victim.
2.
Creep up behind them.
3. Make sure palm/hand is flat and straight.
4 Raise your hand and chop the victim's shoulder, making sure it is close enough to the neck.
5. Say the phrase, "Judo Chop
HAI!" While doing so.
6. Walk away.