Stupid Jimmie

A person who is lacking intelligence or common sense. Often used as being indifferent to a stupid person doing or saying something ridiculous or fool-hearty

Example 1
"I thought she was perfect but she claims this is not 10 inches... Wow, am I a stupid jimmie"

Example 2
"Hey stupid jimmie!! Your fly is open... again!!!"

Example 3
"Get out of the river you stupid jimmie!! The water is below freezing!!"