mad dog skullcap

noun Botany.

a North American skullcap, Scutellaria lateriflora, having underground stems and one-sided clusters of blue to white flowers.

Origin:
1815–25, Americanism; so called because it was formerly used as an antispasmodic

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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WordNet

mad-dog skullcap
noun
an American mint that yields a resinous exudate used especially formerly as an antispasmodic [syn: blue pimpernel]

WordNet® 3.0, © 2006 by Princeton University.
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00:10

Mad dog skullcap is always a great word to know.

So is callithumpian. Does it mean:

a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.

a chattering or flighty, light-headed person.

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