A best bet is the Facebook "Like A Boss" T-Shirt (pictured) for $5.99 with free shipping via the above coupon. That's $7 less than the lowest total price we could find for a similar shirt elsewhere. It's available in sizes S to XL; XXL and 3XL cost 99 cents more.
A DealNews exclusive! LOL Shirts offers a selection of Geek T-Shirts for $5.99. Coupon code "DEALNEWS" yields free shipping. That's the best sale we've seen on these items at LOL Shirts since October.