Personalized Tacos On Y Days T-Shirt. Funny T-Shirt - White for taco lovers says I Only Eat Tacos On Days That End In Y. Carnitas, carne asada, street tacos, tortillas, cilantro and cheese. Perfect for taco night, Cinco De Mayo, anytime. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.