cockamamie

/ˌkɑkəˈmeɪmi/
adjective
  1. Ridiculous, silly, or unbelievable; often used to describe a plan, story, or excuse that seems poorly thought out or absurd.
    • The movie's plot was so cockamamie that nobody could follow it.
    • He came up with a cockamamie excuse for being late, saying his dog ate his homework.
    • My brother has a cockamamie scheme to make money by selling ice cream in the winter.
What does "cockamamie" mean? | whatsthatwordmean | whatsthatwordmean