Trifling; nearly valueless.
Bond, James Bond, told a cockamamie story.
Adj.: Crazy, Off-kilter. A word you use when you can't think of the proper terminology.
"This cockamamie washing machine never works properly."
Talking out of your ass. Bullshit.
He was telling me how he pulled this hoe, and I asked him 'what kind of cockamamie story was that?'
1) adj. foolish, silly, unreasonable.
2)v. to have sexual intercourse with the dead widow of Dwight D. Eisenhower.
1) Invading Iraq was a cockamamie idea.
2) I wanna cockamamie but the best I can do is get a handjob from Ladybird Johnson.