A big rod located on the lower body region of a male human being, that can come in all different sizes and colours. This weapon of mass destruction is perfect for sexual intercourse and is also a good sucking tool (not for babies however). Cocks mainly come in the shape of a banana but everyone is different. The bigger the cock, the better because size does matter.
Jennifer: OMG last night I rode Bobby's massive cock in the backseat of his car.