Definitions

1. adjective

extravagant or absurd in an attractive or charming way

“The cockamamie idea of flying a hot air balloon over the city was deemed too crazy to work.”

2. noun

something that is absurd or ridiculous

“The whole cockamamie plan fell apart when they discovered the flaw in the design.”

3. noun

something that is unworkable or impractical

“The cockamamie system they tried to implement was a disaster.”