Click to expand Tap to zoom Nerdy Shirt XXL by Heebie Jeebies Sold out $27.50 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Nerdy T-shirts Want everyone to know just how nerdy you really are? Spell it out to them using the chemicals Nitrogen (N), Erbium (Er), and Dysprosium (Dy).