1. The penis, especially if limp, hanging or flaccid. A term used especially to and by children; usage dates back to the 18 th century possibly from the nursery: doodle-doo or from: cock-a-doodle-doo , the sound of a cock's crow, or from the Australian dood , a pipe. See penis for synonyms.
Quote: The grieving widow Mimi McTarry (Deborah Kerr) to Sir James Bond (David Niven) in Casino Royale (1967): ' Doodle-me, James. I hereby claim my widow's due.'
3. Or: doo-doo , feces, especially a baby's feces.