"Crank"

"Crank" typically refers to a manual device used to generate mechanical power or movement by turning a handle, often connected to machinery or a bike pedal. It can also describe a person with intense or obsessive enthusiasm for a particular activity or interest. In slang, "crank" can mean a concentrated substance, like an illicit drug, or to abruptly turn or rotate something. Overall, context determines its precise meaning, but it commonly involves turning or rotation or signifies fervent dedication.