Personalized White MIldly Deranged Youth Long Sleeve T-Shirt. MD, mildly deranged in white text is a humorous twist on the acronym for medical doctor. Funny gift design for students and medical professionals at back to school, birthdays, holidays and graduations. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)