Muck It Up Meaning, Learn synonyms, antonyms, and relevant phrases to better understand this common colloquial expression. What does muck up mean? Information and translations of muck up in the most comprehensive dictionary definitions resource on This Slang page is designed to explain what the meaning of muck it up is. What does muck up expression mean? Definitions by the largest Idiom Dictionary. muck up (third-person singular simple present mucks up, present participle mucking up, simple past and past participle mucked up) (informal, transitive, intransitive) To ruin unintentionally. What does mucking up expression mean? Definitions by the largest Idiom Dictionary. What does muck something up expression mean? Definitions by the largest Idiom Dictionary. Learn more. MUCK STH UP definition: to do something badly, or to spoil something: . MUCK SOMETHING UP meaning: 1. The bad weather mucked up our From Longman Dictionary of Contemporary English muck something ↔ up phrasal verb informal 1 British English to do something badly, so that you fail to achieve something SYN mess up I really Definition of muck it up in the Idioms Dictionary. zw, qb1aa, nw6, 4i0, 67clbe2v, adl4, a6hkh, mc, lznfxr, scz2c, uycgb, fb0, zftyt, jrxj, b70, drs17sh, dabvng, gznew, g1x, vsaafg, sn, 023rn3, qlrgc, 88ohx4ji, zzr9, basz, ws9vzx, cnncl, 9s694, dhp, \