0 the act of moving up and down quickly, or of changing repeatedly between one level and another:
1 the activity of playing with a yo-yo (= a toy consisting of a circular object that can be made to go up and down a long piece of string to which it is tied):
2 moving up and down quickly, or changing repeatedly between one level and another:
Some studies have concluded that yo-yoing promotes weight gain because the body responds by adapting to low energy intakes, making it harder to lose weight and easier to regain it on each cycle.
According to Jeremy Peace, the club's chairman, yo-yoing between leagues is a science.
This waxing iron has a far better thermostat, which prevents yo-yoing between burning wax and barely melting it.
Researchers speculated that the infusion of sugar initiates a biochemical cascade that results in a yo-yoing of sugar and insulin in the bloodstream.
You're not going to be good at any sport if you don't work at it, and yo-yoing is no different.
He calls yo-yoing a sport, but he knows that a lot of people don't think of it that way; they think a yo-yo is just a toy.
He beat 46 competitors from six countries (yo-yoing is big in Asia) to win the championship.
This year, he got free prizes from several yo-yo manufacturers and posted details of the contest on yo-yoing Web sites.
