Cock sth up Meaning, Examples & How to Use This Phrasal Verb

What Does โ€œCock sth upโ€ Mean?

โ€œCock sth upโ€ means to make a mistake or mess something up, especially by doing it badly or carelessly.

Introduction

The phrase โ€œCock sth upโ€ is a common British English phrasal verb used to describe when someone makes an error or fails at a task. Understanding the Cock sth up meaning helps learners recognize informal language often used in everyday conversations. It is usually used to talk about situations where a plan or action goes wrong because of someoneโ€™s mistake or poor handling. This phrase is informal and can be used in both personal and professional contexts to highlight errors or mishaps. Learning how to use โ€œCock sth upโ€ correctly will improve your English fluency and comprehension, especially in casual settings.

Quick Info Box

  • Phrasal verb: Cock something up
  • Type: Transitive
  • Level: B2 (Upper-Intermediate)
  • Short meaning: To make a mistake or spoil something

Structure (Grammar Rules)

โ€œCock sth upโ€ is a separable phrasal verb, meaning you can place the object between โ€œcockโ€ and โ€œupโ€ or after the whole phrase.

  • cock something up
  • cock up something

Example: She cocked the project up. / She cocked up the project.

How to Use โ€œCock sth upโ€?

You use โ€œCock sth upโ€ to talk about mistakes or failures when something goes wrong because of poor effort or carelessness. It is informal and often used in spoken English. The โ€œsthโ€ stands for โ€œsomething,โ€ which can be any noun like a task, plan, or job. You can use it when blaming yourself or others for errors.

Examples

  • He really cocked up the presentation by forgetting his notes.
  • Donโ€™t cock up your chances by arriving late.
  • They cocked up the booking, so we had no hotel room.
  • She cocked up the recipe by adding too much salt.
  • We cocked up the schedule and missed the deadline.

Common Mistakes

  • Incorrect: I cocked up on the test. (missing object)
  • Correct: I cocked up the test.
  • Incorrect: He cocked the up plan. (wrong order)
  • Correct: He cocked the plan up.

Differences / Synonyms

Similar phrasal verbs include โ€œmess up,โ€ โ€œscrew up,โ€ and โ€œbungle.โ€

  • Mess up: More common in American English, meaning to make a mistake or spoil something.
  • Screw up: Informal and slightly stronger, meaning to make a serious mistake.
  • Bungle: More formal, meaning to handle something clumsily or incompetently.

โ€œCock sth upโ€ is mainly British and informal, often used in everyday speech to criticize mistakes lightly.

Common Collocations

  • cock up a plan
  • cock up a job
  • cock up a project
  • cock up an opportunity
  • cock up an arrangement

Real-life Dialogue

Anna: Did you finish the report?

Tom: I tried, but I think I cocked it up. I missed some important details.

Anna: Donโ€™t worry. Letโ€™s fix it together before the meeting.

Practice

Fill in the blank:

They really _______ the event _______ by forgetting to send invitations.

  • a) cocked / up
  • b) cocked up
  • c) cock up

Answer: a) cocked / up

FAQs

  • Is โ€œCock sth upโ€ formal? No, it is informal and mostly used in spoken English.
  • Can I use โ€œCock sth upโ€ in American English? It is mainly British, but Americans may understand it.
  • What does โ€œsthโ€ mean? โ€œSthโ€ is short for โ€œsomething.โ€
  • Is โ€œCock sth upโ€ rude? It is casual but not very rude; it just means making a mistake.
  • Can I use it for big mistakes? Yes, but usually for everyday or medium mistakes.

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