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Pre-Coffee Output May Contain Errors Mug, Retro Computer Bug Gift (11 oz)

Price:$15.99

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Highlights

Pre-coffee output may contain errors.

A retro computer monitor shows a warning sign and a red squiggle on its screen, while a cartoon bug climbs over the top, between the words PRE-COFFEE OUTPUT and MAY CONTAIN ERRORS.

White ceramic 11 oz mug, with the design printed on both sides.

Also available with a code editor window, as the Pre-Coffee Output May Contain Errors Mug, Funny Programmer Coffee Mug.

Artwork created with AI image tools.

Printed and shipped by our production partner, Printify.

Production partners

FrayedNotion makes this item with help from
  • Order today to get by Nov 16-28
  • Returns & exchanges not accepted
  • Cost to ship: $7.29
  • Ships from: Hialeah, FL

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Listed on Oct 3, 2026
Homepage Home & Living Kitchen & Dining Drink & Barware Drinkware Mugs