Use one of 9 Headline Shirts coupons including coupon codes and product sales for May 2017. Today's best coupon is a 30% Off promo code. You can use your coupon to save on t-shirts at Headline Shirts. Check out some of the wittiest and funniest t-shirts around from Headline Shirts. You'll find dozens of great shirts for men, women and children that'll make you look twice.