Expression used to imply a person with low intelligence or feeble minded; can also be used to describe a foolish act. Generally used to provide a negative response to a harebrained question.
Son: Dad may I go to the shore this weekend with Suzy?
Dad: What do you think I just got done driving a bus on the boulevard?
Dad: What do you think I just got done driving a bus on the boulevard?
by Who Let The Frogs Out January 6, 2018