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to muck up
[phrase form: muck]
01
to mess up and not succeed because of a mistake that completely ruins something
Dialect
British
British
Examples
The chef was disappointed when he realized he had mucked up the recipe, resulting in a disastrous dish.
02
to cause something to become dirty or messy
DialectBritish
BritishExamples
It 's easy to muck up your shoes if you walk through muddy areas during the rainy season.
03
to hinder the success of a plan or arrangement through careless or disruptive behavior
DialectBritish
BritishExamples
The team's lack of coordination threatened to muck about the carefully laid-out project schedule.
