1897; see bipedal + -ism.
the actual feature of being bipedal; having two foot
The man as a type of locomotion which involves two (bi), legs (pedal). Bipedalism in humans produced the disorder that allow both women and men to utilize their particular arms to control tools and communicate. Because the feet in which relegated to even more standard tasks, they hold more of the visceral responses (such as running from predators, or becoming pulled under the table when in stressful negotiations) therefore tend to be honest. The hands and hands are more managed by the aware head, as opposed to the ancient mind, and thus tend to be more deceitful. This basically means, bipedalism held legs truthful.