Personalized CPA Pain Youth T-Shirt. CPA Certified Pain In the Ass. This humorous twist on the phrase certified public accountant is funny design for birthdays, graduation, holidays and tax season. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.