The definition of manic is someone or something that shows wild and unrestrained enthusiasm, to the point of being in a frenzied state.(adjective)
A person jumping and dancing around with intense excitement is an example of someone who might be described as manic.
See manic in Webster's New World College Dictionary
See manic in American Heritage Dictionary 4
Origin: Greek manikos, mad
Origin: , from maniā, madness; see mania.
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