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$31.25
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It Works On My Machine - Funny Programmer T-Shirt Coffee Mug

4.8 out of 5 stars rating
22225 Total Reviews |
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Classic Mug
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Style: Classic Mug

Give a made-to-order mug from Zazzle to someone special, or treat yourself to a design that brings you joy or makes you laugh. Create your own photo mug, shop our collection of the funniest joke mugs, personalise your mug with a monogram, or express yourself with one of our 10 million designs.

  • Available in 325 ml or 443 ml
  • Dimensions:
    • 325 ml: 8.1 cm D x 9.7 cm H
    • 443 ml: 8.6 cm D x 11.4 cm H
  • Microwave and dishwasher safe
  • Use caution when removing the mug from the microwave. Use a pot holder or glove as necessary if it is too hot to the touch. Do not microwave an empty mug
  • Strong, ceramic construction
  • Meets FDA requirements for food and beverage safety
  • Do not overfill and be careful with hot liquids that may scald
  • Keep out of reach of children when filled with hot liquid

About This Design

It Works On My Machine - Funny Programmer T-Shirt Coffee Mug

It Works On My Machine - Funny Programmer T-Shirt Coffee Mug

The classic developer struggle, captured in a T-shirt! 🖥️ "It Works On My Machine" - if you've ever said these words, you NEED this shirt! Perfect gift for software engineers, computer science students, and coding enthusiasts. ✅ Features fun programming icons: - CAFFEINE → CODE (because coffee = fuel) - Hello World (the first program everyone writes) - Rubber Duck Debugging - Python snake - Software Bug - Git Branches - Binary code - RAM memory This hilarious tee is perfect for: 🎁 Gifts for programmers and developers 🏫 CS students and hackathon participants 💻 Office wear for tech teams 🎉 Casual coding sessions A must-have for anyone who has ever pushed code to production on a Friday... and survived.
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Customer Reviews

4.8 out of 5 stars rating22.2K Total Reviews
19599 total 5-star reviews1854 total 4-star reviews342 total 3-star reviews155 total 2-star reviews275 total 1-star reviews
22,225 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars rating
By Anonymous14 December 2025 • Verified Purchase
Classic Mug, 325 ml
Easy to order online. I had to get in touch regarding the customizing- response was prompt and helpful. Mug arrived perfectly customized, and well within the expected delivery time frame.
5.0 out of 5 stars rating
5 out of 5 stars rating
By S.20 June 2021 • Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Very happy with the printing and overall quality of the personalized welcome pack for our employees. Great quality and placement, very happy with how it turn out!
5.0 out of 5 stars rating
5 out of 5 stars rating
By Kirsty D.7 May 2021 • Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Very pleased with the product. Arrived well packaged in one piece and looks good. Exactly as per picture.

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Other Info

Product ID: 256863970666589223
Posted on 23/04/2026, 5:31 AM
Rating: G