cock-brained in a sentence

Definition

Cock-brained (adjective): characterized by foolishness or lack of common sense in decision-making.

His cock-brained decision to invest in a failing company cost him a fortune.
She couldn't believe her friend was being so cock-brained about the plans for their vacation.
The cock-brained idea of driving without a map led them deep into the countryside.
After several cock-brained attempts to fix the car, he finally called a mechanic.
It was a cock-brained move to challenge the boss in front of the entire team.