jakamahaka (ja ka ma ha' ka) n., adj. 1. a person whose behavior is predictable 95% of the time in a given situation.
2. A person who in all respects shares personality characteristics with 95% of a given social environment.
3. A person who is surrounded by people with similar tastes, world views, or predispositions to topics worthy of discussion.
4. The state of being or acting like 95% of the people in a given situation
That jakamahaka just left the party... Thank God!
He had a good time that night seeing all of those people, but he couldn't help feeling like the jakamahaka that he truly was.