We found 6 dictionaries that define the word up the duff:

General (5 matching dictionaries)

1. up the duff: Collins English Dictionary
2. up the duff: Wiktionary
3. Up the duff: Phrase Finder

Slang (1 matching dictionary)

4. up the duff: English slang and colloquialisms used in the United Kingdom

▸ Words similar to up the duff ▸ Usage examples for up the duff ▸ Idioms related to up the duff ▸ Wikipedia articles (New!) ▸ Words that often appear near up the duff ▸ Rhymes of up the duff ▸ Invented words related to up the duff