The art of being Pro as in professional, linked with fantastic, therefore creating protastic. Pro in protastic could also be defined as a pro versus a con.
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"
A person, group, or object made up of several differentelements that normally would not be put together.
"His ship had a very grabastic construction, due to the many spare parts he used to build it."
"You are the lowest form of life on Earth. You are not even human, fucking beings. You are nothing but unorganized grabastic pieces of amphibian shit."