An extremely cool dad. One that is a "bro" and a father. one that always has your back, and can easily be considered one of your closest friends, yet is a dad when he needs to be. TeamJimmy
"this is my brofather jimmy. he will be signing the consent for my tattoo and be joining us later at the skateboard park"
To be so bro-ey that you blow (or bro) everybody's minds; chillin out super hard; an adjective describing the overwhelming need to patronize taco bell at an innabropriate hour.
"did you see scott last night, he bro-ed the last b-pong cup, bro-ed to taco bell, and bro-ed one out to gillmore girls, epically brotastic"