phrases, sayings, idioms and expressions at

Origins of "up the duff"

Posted by Audrey Blair on May 23, 2000

In Scotland we are all familiar with the euphemism for being pregnant "up the duff"
I don't know whether this is an expression widely used in England as well.
My sister who now lives in California and is indeed " up the duff" has been trying to explain to the Americans where it came from but realised she doesn;t know it's origins either.
Can anyone enlighten us?