Put it in your diddy bag

Posted by Henry on October 10, 2004

In Reply to: Put it in your diddy bag posted by Ward on October 10, 2004

: I think this may have originated in the military as a sarcastic expression. Anybody know?

Ditty-bag; a sailor's small bag to hold thread, needles, tape, etc., also called sailor's housewife.
But I don't know the phrase.