A phrase used to respond to a recent negative situation.
Usually used by the British and young little children on the internet, this phrase can be used to describe many different types of fuck ups.
William Howe: "Hey George, we should let's go wreck them Americans and their little war for independence down at the thirteen colonies."
George: "Alright, let's do thi- oh fok me mate the damned Americans have the support of the French!"