Boomerang It Is Tshirt Posted on 2013/03/16 by admin Boomerang, It Is What It Is. If Boomerang is your hobby, occupation, or obsession, show it with great Boomerang t-shirts, mugs, stickers, and more. They're also great gifts for other Boomerang fans! product tags: boomerang, tosser, thrower, what, busybrain,