a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
tv. to betray someone. (Originally a more complicated switching of sides in a conspiracy wherein the double-crosser sides with the victim of the conspiracy—against the original conspirator.) : Don't even think about double crossing me!
n. a betrayal. (See comments with sense 1.) : It's one double cross Frank is sorry about.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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