penis

The male erectile reproductive organ used for sexual intercourse that in the human male and other placental mammals is also used for urination; the tubular portion of the external male genitalia (excluding the scrotum).

The female clitoris is homologous to the male penis.

See, the problem is that God gives men a brain and a penis, and only enough blood to run one at a time.

A similar erectile sexual organ present in the cloacas of male amniotes.