can of worms

noun

Informal. a source of many unpredictable or unexpected problems: Buying a company we know nothing about would be opening up a whole new can of worms.

Origin:
1965–70

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

can of worms definition

n.
an intertwined set of problems; an array of difficulties. (Often with open.) : When you brought that up, you opened a whole new can of worms.

Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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00:10

Can of worms is always a great word to know.

So is ninnyhammer. Does it mean:

a fool or simpleton; ninny.

an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...

American Heritage

Idioms & Phrases

can of worms

A complex unexpected problem or unsolvable dilemma, as in Tackling the budget cuts is sure to open a can of worms. This expression alludes to a container of bait used for fishing, which when opened reveals an inextricable tangle of worms. [1920s]

Matching Quote

"A sociosphere of contact, control, persuasion and dissuasion, of exhibitions of inhibitions in massive or homeopathic doses...: this is obscenity. All structures turned inside out and exhibited, all operations rendered visible. In America this goes all the way from the bewildering network of aerial telephone and electric wires ... to the concrete multiplication of all the bodily functions in the home, the litany of ingredients on the tiniest can of food, the exhibition of income or IQ."

-Jean Baudrillard

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