A Bumchala is a girl weighing anywhere between 210 lbs and 280 lbs. When a Bumchala is spotted, you have to do the Big Bumchala dance. The Big Bumchala dance is a lot of side to side and shaking movement. Big Bumchala dance is best completed when with partners.
Bamaclaw is the second and biggest level of fat girl. Once breaking the first level of 280, girls officially become a Bamaclaw. From the phrase, "You ain't a lady unless you 280". There is no dance required for the Bamaclaw, just an admiration.