Crankington's disease

The act of Cranking down so roughly and vigourously that the entire body goes into a jerking fit that resembles the shaking symptoms of Parkington's disease. Crankington's disease effects all age groups, and the results can be catastrophic, even resulting in loss of ability to crank.

Yages was cranking down so hard in the bathroom that he can't stop himself from shaking, hes got Crankington's Disease!