Grumpy Old Bastard Mug – Funny Grumpy Grandpa Coffee Cup

Wrinkled. Rattled. Not here for nonsense. This "Grumpy Old Bastard" mug is serving full “don’t talk to me before coffee” energy, warning people before you have to.

This ceramic mug from Coffee and Moo features a glorious grump with a bald head, dramatic scowl, and zero tolerance. Handmade in New Zealand, it’s subtle? Absolutely not. Accurate? Painfully.

You’ll love this mug because it's perfect for grumpy dads & grandads, acting as an office warning label in mug form. Its bold character illustration pops, making it a hilarious birthday or Father’s Day gift for anyone who’s truly earned the title.

• 11oz or 15oz ceramic mug
• Gloss finish
• Detailed illustrated design
• Dishwasher & microwave safe
• Balanced weight, comfortable handle

Proudly designed and curated in New Zealand. Each mug is produced in small batches, quality checked, and packed properly. No mass-factory chaos, no corner cutting, and no sad print jobs – if it’s not right, it doesn’t ship.

Processing Time: 1–3 business days before dispatch.

• New Zealand Shipping: Flat Rate $9.95 (inc. rural), FREE on orders over $75. Delivery: 2–4 business days after dispatch.
• Australia Shipping: 1–2 items: $24.95, 3+ items: $29.95, FREE on orders over $95. Delivery: 7–12 business days.

• Grumpy husbands and partners
• Sarcastic retirees
• Dads who hate mornings
• Anyone who’s earned the title
• Funny grumpy grandpa coffee cup gifts
• Unique R18 gifts for men

At Coffee & Moo, we celebrate every personality—from bold and playful to delightfully unhinged. Your home for humour-driven ceramic mugs, we offer cute, cozy, cheeky, and R18 designs that perfectly match your mood and enhance every morning brew.

If the shoe fits… pour the coffee. Add this "Grumpy Old Bastard" mug to your cart today!

CARE INSTRUCTIONS