Life is what you define it! This 590ml Defined Birthday mug features an original definition that gives new meaning to everyday life. This high-quality, extra large and durable stoneware mug makes a perfect gift for someone special to celebrate their happy day! Dishwasher and microwave safe. Caption reads: birthday  birth•day [ burth-day ] , n. 1: annual celebration of the day someone was born   2: a yearly reminder that you're getting old 3: an excuse to eat cake and party (see also: my favorite suit, free stuff, b-day, don't ask my age, blow out the candles).