Surprise your grandad with this humorous Grandad definition mug and let him know he’s the best. The text on the mug says ‘Grandad [Grandad] noun – 1. The best role model 2. Can fix anything 3. A provider 4. Fountain of knowledge 5. Giver of the best bear hugs – See also: Hero, Love, Caring’, and it’s sure to bring a smile to his face this Father’s Day. With a 400ml capacity, this mug is made of New Bone China material and is safe for use in the microwave.