1. make more interesting or lively Familiarity information: JUICE UP used as a verb is very rare. Dictionary entry overview: What does juice up mean? Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. b. (idiomatic, informal) To charge, to charge up. A list of slang words and phrases, idioms, jargon, acronyms, and abbreviations. • JUICE UP (verb) The verb JUICE UP has 1 sense:. Definition of juice-up phrasal verb in Oxford Advanced Learner's Dictionary. Subscribe to our free daily email and get a new idiom video every day! What does juice-up mean? What is juice up? This Slang page is designed to explain what the meaning of juiced up is. juice [jo̳s] any fluid from animal or plant tissue. pancreatic juice the enzyme-containing secretion of the pancreas, conducted through its ducts to the duodenum. A fluid naturally contained in plant or animal tissue: fruit juice; meat braised in its own juices. Online Slang Dictionary. This is the British English definition of juice up.View American English definition of juice up.. Change your default dictionary to American English. juice synonyms, juice pronunciation, juice translation, English dictionary definition of juice. Some people claim that they can aid weight loss and detoxify the body, but the evidence is … juice 1. noun, slang Electricity. juice up: 1 v make more interesting or lively “ juice up a party” Synonyms: ginger up , jazz up , pep up Type of: animate , enliven , invigorate , liven , liven up make lively Like this video? gastric juice see gastric juice. We've got to make sure we have enough juice to make cocktails for everyone. How to use juice in a sentence. Definition of juice up in the Financial Dictionary - by Free online English dictionary and encyclopedia. intestinal juice the liquid secretion of glands in the intestinal lining. n. 1. a. juice definition: 1. the liquid that comes from fruit or vegetables: 2. the liquid in meat: 3. power or influence: . Learn more. Definition and synonyms of juice up from the online English dictionary from Macmillan Education.. Define juice. The slang word / phrase / acronym juiced up means... . c. Juice cleanses involve consuming only juice for a few days. Meaning of juice up as a finance term. 2. noun, slang Alcohol, especially wine or a distilled liquor. I tried plugging the machine into the wall, but there was no juice coming out of the outlet. A bodily secretion: digestive juices. All Free. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. juice up - WordReference English dictionary, questions, discussion and forums. Juice definition is - the extractable fluid contents of cells or tissues.