A black ceramic dark humor mug featuring the cute Grim Reaper Cereal Killer design. Available in 11oz and 15oz for coffee, cereal jokes, and mornings that feel slightly haunted.
Breakfast is the most dangerous meal of the day.
This mug is for people who prefer their cereal colorful, their coffee dark, and their humor one step away from the afterlife.
The Cereal Killer mug is a dark humor coffee mug from the Ugly Thoughts collection — made for breakfast, caffeine, and anyone who enjoys a joke with tiny cartoon bones in it.
Featuring the cute Grim Reaper Cereal Killer artwork on a glossy black ceramic mug, this piece brings the lighter, weirder side of Ugly Thoughts to your kitchen counter or office desk.
It is playful, spooky, sarcastic, and not even slightly interested in being inspirational.
Available in 11oz or 15oz, depending on how much caffeine you need to survive the breakfast shift.
Product details
Material: 100% black ceramic Finish: Premium glossy finish Sizes: 11oz or 15oz Handle: C-shaped easy-grip handle Care: Microwave and dishwasher safe Safety: Lead-free and BPA-free Collection: Ugly Thoughts Mood: dark humor, breakfast chaos, cute horror
Note on Style: Our designs are printed to blend with the aesthetic of the mug. Due to the high-gloss finish of the ceramic, there may be a subtle, artistic variance between the black of the mug and the background of the print—giving it a custom, "layered" look that sets it apart from mass-produced junk.
Made from 100% ceramic with a glossy finish and bold printed artwork. Built for coffee, tea, desk chaos, and the kind of thoughts that should probably stay internal.
Size & grip
Available in 11oz or 15oz. The mug has a comfortable C-shaped handle for everyday use, whether you need a normal caffeine ritual or a suspiciously large one.
Print details
The artwork is designed to be bold, sarcastic, and readable, with a dark humor attitude that fits the Ugly Thoughts collection. The print is made for everyday use, not quiet emotional stability.
Care
Microwave and dishwasher safe. For longer-lasting artwork, avoid abrasive scrubbing directly over the printed design.
Full specifications
Material: 100% ceramic Capacity: 11oz or 15oz Finish: Glossy ceramic with printed artwork Handle: C-shaped easy-grip handle Care: Microwave and dishwasher safe Safety: Lead-free and BPA-free Collection: Ugly Thoughts Mood: sarcastic, rude, grumpy, cat-powered Production: made to order Best paired with: coffee, deadlines, and pretending to be approachable
LOG_02 // INTERNAL_MONOLOGUE
UGLY QUESTIONS
01 // IS THIS A NORMAL MUG?
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Technically, yes. Emotionally, no. It is a ceramic mug built for coffee, sarcasm, quiet judgment, and the thoughts you probably should not say out loud.
02 // WHAT SIZE IS IT?
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Most Ugly Thoughts mugs are available in 11oz or 15oz. Choose 11oz for a normal caffeine ritual. Choose 15oz when the day already looks suspicious.
03 // CAN I WASH IT?
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Yes. The mug is dishwasher safe and microwave safe. Unlike your actual ugly thoughts, the print is made to survive repeated exposure to heat, water, and Monday mornings.
04 // IS IT A GOOD GIFT?
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Yes — for coworkers, friends, siblings, partners, or anyone with a dry sense of humor and a suspicious relationship with mornings. It is useful, sarcastic, and just socially acceptable enough.
05 // WHEN WILL IT ARRIVE?
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Each mug is made to order. Most orders arrive within 5–10 business days after production and shipping. Tracking information will be sent as soon as your mug is on its way.
06 // CAN I CHANGE MY ORDER?
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Because each mug is made to order, changes are only possible shortly after purchase and before production begins. Please check the size, design, and shipping details before placing your order. Wrong address energy is difficult to fix once production starts.
Need help?
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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