Select Humorous T-Shirts drop from $9.99 to $7.39 with coupon code DOORBUSTER during the Gutbusting Doorbusters T-Shirt Sale at LOL Shirts. Shipping adds $1.99 per shirt, but this coupon drops many shirts to the lowest prices we've seen, and they are the best prices we could find on similar shirts anywhere else by at least $5 per shirt. The pictured Oregon Trail Dysentery T-Shirt, for example, is the best we could find by $6. Most shirts are offered up to 3XL or larger, but the extended sizes are a little more. Sales tax is not charged in most states.