Introducing our Tired Grumpy Leave me the Fuck Alone Grumpy Bastard Mug. Featuring an original design, this coffee mug dishwasher safe and comes gift boxed. Perfect for anyone who needs some alone time, this mug makes a great gift. (Note: sarcasm, rudeness, and humour included free of charge) • 11oz Ceramic Mug • Dishwasher safe • Gift Boxed • Great gift!