Dumb Fucks
Mark Zuckerberg called early Facebook users who trusted him with their data “Dumb fucks.” The comment was revealed in a leaked IM conversation he had with a friend in 2004.
New Definition: “Anyone who trusts anyone with anything”
Usage: “We’re dumb fucks for expecting KFC’s Double Down to be anything but a bleeding pile of salt juice.”
Further reading: The Register, SAI