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| a chattering or flighty, light-headed person. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
Mexican jumping bean
the seed of certain Mexican shrubs, especially those of the genus Sebastiania, of the spurge family (Euphorbiaceae), that contain larvae of a small olethreutid moth (Laspeyresia salitans). The movements of the larvae feeding on the pulp within the seed, which are intensified by warmth, give the seed the familiar jumping movement
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