cocaine bug
n.pl.— «There are many strange things connected with the drug habit and the “cocaine bug” is one of the most singular. The victim imagines there is a bug crawling about just under his skin.» —“Opium, Cocaine and Whiskey Habits and Their Baleful Effects” Atlanta Constitution (Ga.) Nov. 29, 1902. (source: Double-Tongued Dictionary)
Further reading
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There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...