"Onni wa soto!" "Fuku wa uchi!" are the cries you'd hear all over Japan today. For February 3rd is the Setsubun festival and the chants call for "Devils, get out! Good luck come in".
Beans are believed to drive the evil spirits away and families often have fun throwing them at someone (often the father) wearing a devil's mask. Some of the remaining beans are then eaten, one for each year of your age, in the belief that it will drive away illness for the coming year.
In many areas, a long roll of sushi is also eaten, in silence, until you've finished the whole piece. From memory there is a particular direction you should face when eating this sushi on Setsubun.
It's a bit like a spiritual spring cleaning and I think one of those traditions I'd like to start with my family. How about you, are there any festivals from other cultures you'd like to adopt?