E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Dudman and Ramhead.
When Dudman and Ramhead meet. Never. Dudman and Ramhead (now spelt Ramehead) are two forelands on the Cornïsh coast, about twenty miles asunder. (See NEVER.)
1
Make yourself scarce! depart! vanish! or well have you summoned before the mayor of Halgaver, and that before Dudman and Ramhead meet.Scott: Kenilworth, iv.