Personalized Funny Guess What Chicken Butt T-Shirt. Enjoy some lighthearted humor with this 'Guess What Chicken Butt' design. Perfect for adding a touch of laughter to your day, this T-Shirt - Vintage Black is sure to be a conversation starter. Whether you're at home or out with friends, embrace the chuckles with this hilarious piece. 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.