A phrase used to articulate feelings of immense loathing of someone that is known for unintelligent or troublesome actions. The phrase being used when a particular action comes into play. Usually followed by a facepalm.
Origin: First used in season 4 of "Futurama", episode 68 - "Obsoletely Fabulous". Bender, because of his new found hatred for advanced technology, has had a downgrade, making him a wooden, steam-powered robot. Bender enters the scene and Leela immediately exclaims "Oh brother, he's made of wood."