A portmanteau of the Hawaiian-style "bro" (brah) and Transformers protagonist Optimus Prime. A Brahptimus Prime is a person with noble/selfless goals and zero drive to realize them.
"Did you help out at the homeless shelter on Tuesday?"
"I was going to but instead I slept in."
"Pulled a Brahptimus Prime?"
"Yeah, brah."
"I was going to but instead I slept in."
"Pulled a Brahptimus Prime?"
"Yeah, brah."
by bloomintemp8 October 13, 2011