To be screwed (or fucked) out of something one rightfully owns or deserves by being subjected to unfair or undeserved authority. Often by administration or law.
Originated as a reference to the
Cochran law firm as referenced by Good Charlotte in "Lifestyles of the Rich and Famous". See
cochran.
Man, my employee just
coched me out of $20,000; apparently, he shot himself in the eye with a
defective nail gun.