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."
"That girl has no consideration for anyone. All she cares about is herself"
"Relax bro she can't help it. She has Gravititus."
"Oh man no wonder. Thanks for the warning."