Another way of saying "dickhead". It can be used in situations where cursing is frowned upon. ie - certain people in the office, in front of grandma, in front of children
"Dad, Johnny keeps stealing my crayon."
"Johnny, stop taking his crayons and quit being a wiener brain!"
"Did you meet your sister's new boyfriend?"
"Yeah, he seems like a real... (granny stares) wiener brain."
A nickname given to the most kancorous whore in ones high school. One can rate an Angie Weinerbanger by the number of weiners she can fit in her mouth.