cook up

Verb

cook up (third-person singular simple present cooks up, present participle cooking up, simple past and past participle cooked up)

1. (transitive) To prepare (food or chemical substances) by cooking or heating.
   • Let me cook up some eggs and bacon before you go.
   • To cook up a batch of biodiesel, scientists stir together methanol and vegetable fat.
2. (figuratively, transitive) To manufacture; to invent (something, often a deceit or falsehood); to counterfeit (something).
   • The financiers cooked up an instrument called a collateralized debt obligation.
   • He really cooked up a good one this time, something about an airline disaster.
3. (slang) To prepare (heroin, opium, crack, or meth) by heating or otherwise manufacturing.
4. (slang) To manufacture a significant amount of illegal drugs (LSD, methamphetamine, etc.).
5. Used other than figuratively or idiomatically: see cook, up.