Funny Acronym Mug — "Guess Until Irritated" (GUI) Coffee Mug

"Guess Until Irritated" — say it without saying a word. A funny coffee mug and gift for the tech person in your life.

Who it's for: the developer who debugs by trial and error, the engineer guessing at the fix, or yourself — buying it for yourself absolutely counts.

When to give it: Secret Santa, work anniversary, promotion — or any all-nighter spent chasing a bug.

Why it works: A joke they'll see before their first sip, every single day — the rare gift that actually gets used.

• Big 15oz glossy white ceramic coffee mug — room for the second pour without the refill trip
• Dishwasher and microwave safe — the joke keeps its shine
• About 4.6" tall, 3.4" across the base
• Free US shipping on every order, no minimum

Free shipping on all US orders, no minimum.

See our refund policy for return details.