cut up verb 10adjective 4forms 4 verb10 •To cut into smaller pieces, parts, or sections.With a little practice, you can cut up a whole chicken yourself for frying. •To disintegrate; to break into pieces. •(informal) To lacerate; to wound by multiple lacerations; to injure or damage by cutting, or as if by cutting.The attackers cut him up pretty bad. •(UK, Ireland) To move aggressively in front of another vehicle while driving.If you are a victim of Road Rage, this normally means you may have inadvertently cut someone up on the road, or he may perceive that you have cut him up. — 2005 •To distress mentally or emotionally.And even Scrooge was not so dreadfully cut up by the sad event[…] — 1843 •To behave like a clown or jokester (a cut-up); to misbehave; to act in a playful, comical, boisterous, or unruly manner to elicit laughter, attention, etc.We need to talk about Johnny's tendency to cut up in class. •(old-fashioned) To severely criticize or censure; to subject to hostile criticism.The reviewer cut up the book mercilessly. •(informal) Comprise a particular selection of runners.The race has cut up badly with no real opposition to "Serendipity". •To cut upward. •(slang, old-fashioned) To divide into portions well or badly; to have the property left at one's death turn out well or poorly when divided among heirs, legatees, etc.When I die, may I cut up as well as Morgan Pendennis. — 1848 adjective4 •Having been cut into smaller pieces.Put the cut up vegetables in the pot. •(UK, Australia) Emotionally upset; mentally distressed.She was seriously cut up over her dog disappearing. •Wounded with multiple lacerations.He is cut up pretty bad. •(informal, slang) Muscular and lean.I go to the gym to get stronger and cut up. formscutting up · cuts up · more cut up · most cut up