"u", new What does 'Up the duff' mean in Australia? Australian slang 'Up the duff' meaning? New Aussie slang in your inbox.You beauty. Leave this field empty if you're human: Fair dinkum words and phrases, sent once a week. 'Up the duff' meaning One Definition Edward Pregnant; usually referring to an unplanned pregnancy. Add a Definition Cancel reply Save my name, email, and website in this browser for the next time I comment. Notify me by email when the comment gets approved. Example *
Pregnant; usually referring to an unplanned pregnancy.