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$34.70
per mug
 

error 404: brain replaced by ai coffee mug

4.8 out of 5 stars rating
22281 Total Reviews
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About Mugs

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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

error 404: brain replaced by ai coffee mug

error 404: brain replaced by ai coffee mug

This casual, solid black short-sleeve crewneck t-shirt features a standard, relaxed fit with clean-cut stitching. The chest showcases a humourous, tech-themed graphic print of a goofy, yellow cartoon character with wide eyes waving cheerfully. Positioned boldly to the left of the character is the witty, stylised text that reads "ERROR 404: BRAIN REPLACED BY AI" in a blocky black font with a sharp white border, making it a relatable and funny statement piece perfect for programmers, tech enthusiasts, or comfortable everyday casual streetwear.

Customer Reviews

4.8 out of 5 stars rating22.3K Total Reviews
19636 total 5-star reviews1857 total 4-star reviews346 total 3-star reviews157 total 2-star reviews285 total 1-star reviews
22,281 Reviews
Reviews for similar products
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.
5.0 out of 5 stars rating
5 out of 5 stars rating
By Shaun20 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 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.

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errorbrainmemetechcodingprogramminghumourcartoonbirdyellow
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Other Info

Product ID: 256415072298588499
Posted on 1/09/2026, 11:32 AM
Rating: G