Let Grandad know he's the best with this humorous Grandad definition mug. Text 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' that is sure to put a smile on his face this Father's Day.
