Definition of cut someone up in US English:

cut someone up

phrasal verb

North American
informal
  • Criticize someone severely.

    ‘my kids cut him up about his appetite all the time’
    • ‘Finally, after I got through with him, he took it out on Cory by cutting her up.’
    find fault with, censure, denounce, condemn, arraign, attack, lambaste, pillory, disapprove of, carp at, cavil at, rail against, inveigh against, cast aspersions on, pour scorn on, disparage, denigrate, deprecate, malign, vilify, besmirch, run down, give a bad press to
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