cockamamie
adjective/ˈkɒkəmeɪmi/
/ˈkɑːkəmeɪmi/
(also cockamamy)
(North American English, informal)- (of an idea, a story, etc.) silly; not to be believedWord Origin1940s (originally denoting a design left by a transfer): probably an alteration of decalcomania, the process of transferring a design from paper to porcelain or glass.
Check pronunciation:
cockamamie