copper

copper-bottomed

Very safe or stable, especially financially. This is a copper-bottomed offer to distribute your invention, so I think you should take it.
Farlex Dictionary of Idioms.

copper

1. n. a police officer. (see also cop.) See that copper over there? He busted me once.
2. n. money. (see also rivets.) How much copper you got on you?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • copper-bottomed
  • ain’t 1
  • have swallowed a dictionary
  • bottom out
  • go out of
  • other than
  • other than (something)
  • pillow-biter
  • let something drop
  • on one
References in classic literature
"We shall be at the Copper Beeches by seven o'clock, my friend and I.
We were as good as our word, for it was just seven when we reached the Copper Beeches, having put up our trap at a wayside public-house.
And thus was solved the mystery of the sinister house with the copper beeches in front of the door.
Adventures of Sherlock Holmes
But the most copper money has been saved --literally tens of millions of dollars--by persuading thin wires to work as efficiently as thick ones.
Whoever would learn the utmost that may be done with copper hairs of Titian red, must study the fantastic coiffure of a telephone Switchboard.
Here is the mad waltz of the spindles that whirl silk and cotton threads around the copper wires, very similar to what may be seen in any braid factory.
In this period came the multiple switchboard, copper wire, girl operators, underground cables, metallic circuit, common battery, and the long-distance lines.
History of the Telephone
Jolly began the interview by asking Stewart why the Company chose to focus on the copper market.
Copper Fox Metals Inc. Discusses The Future of Copper with The Stock Day Podcast
The three pillars refer to Castillo's three distinct project areas: its five projects in Zambia; the Arya prospect within the company's Mt Oxide project in Queensland; and its Cangai Copper Mine in New South Wales.
Castillo Copper advances three-pillared strategy as copper demand outpaces supply
The concept that chronic low-level copper toxicity is a cause of neuropsychiatric symptoms has a number of important weaknesses.
Is There a Low-Level Copper-Toxicity Syndrome?
Libero Copper has issued 10.4m common shares to B2Gold comprising a 19% stake in Libero Copper and granted B2Gold a right to participate in future equity financings to maintain its then current stake.
Libero Copper Acquires the Mocoa Porphyry Copper Deposit from B2Gold
Copper side table, PS120 each, oliverbonas.com Serve up a stylish cocktail with these cool copper mugs.
copper tones; Cop a load of these accessories to bring a warm glow to your pad
a Light up a dark corner with this copper and marble lamp.
COPPER TONES; Cop a load of these accessories to bring a warm glow to your pad; SHOPPING
Australia-based mining firm Alara Resources Ltd announced that it has received the mining license from Omani authorities for its joint-venture Al Hadeetha copper project in the sultanate.
ALARA RESOURCES GETS LICENSE FOR COPPER PROJECT IN OMAN
After stripping the resist, the etch process will etch away the base copper to create the etched pattern of just the base copper with raised pads or buttons at the holes (FIGURE 2).
Should My Part Have Full Plating or Button Plating? Many flex designs perform well with panel plating for countless bend-to-install applications