yo-yo /yōˈyō/

1. A toy consisting of a reel wound with an attached length of string which is held in the hand while the reel is dropped to fall and rise under its own weight, similar to the 18c bandalore or quiz
2. Any person or thing resembling a yo-yo in movement or ease of manipulation
3. An indecisive or useless person, a fool (slang; orig US)

1. To operate a yo-yo
2. To move rapidly up and down
3. To fluctuate rapidly or be very unsettled

1. Of or resembling a yo-yo
2. Rising and falling, or fluctuating from one position or extreme to the other, esp rapidly or without due control (as in yo-yo economy, yo-yo dieting)

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• Pentagynia
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