cook up

British  

verb

1. informal to concoct or invent (a story, alibi, etc)

2. to prepare (a meal), esp quickly

3. slang to prepare (a drug) for use by heating, as by dissolving heroin in a spoon

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noun

1. (in the Caribbean) a dish consisting of mixed meats, rice, shrimps, and sometimes vegetables

cook up Idioms  

1. Fabricate, concoct, as in She's always cooking up some excuse. [Colloquial; mid-1700s]

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Example Sentences

Next year, Tasmania’s award-winning The Agrarian Kitchen will be cooking up the finest local ingredients paired with Aussie wines, and Brisbane’s beloved The Bistro by SK Steak & Oyster is grilling premium steaks alongside top-notch seafood.

From Salon

She also cooked up the idea to improvise some Elvish, the fictional language of J. R. R. Tolkien’s novels.

From Los Angeles Times

At Penelope’s dismayed expression, he added, “Don’t worry. I’m allowed to cook up a batch of the visibilizer for personal use, as long as I don’t share the recipe with a landlubber. No offense.”

From Literature

“That’s right, Admiral. Whatever plot we might have cooked up never came to pass, so no harm done. Let’s part on peaceful terms. As one adventurer to another.”

From Literature

One of the reasons Wall Street had cooked up this new industry called structured finance was that its old-fashioned business was every day less profitable.

From Literature