Make Grandad's day with our humorous Grandad Definition Mug. Featuring text that reads: '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,' this mug is sure to bring a smile to his face this Father's Day. With a 400ml capacity and microwave-safe design, it's both practical and heartwarming.