Lady Duff

"I am woman, hear me pour!"

- 's Unlock Message

 is a premium limited time costume for Duffman released on June 25, 2015, during the Tap Ball 2015 Event. She was part of the Soccer Cup 2015 and was unlocked upon completion of The Perfect Pitch.

During the St. Patrick's Day 2017 Event, she could be purchased for 190 donuts, with Duff Brewery and Duffman, along with a 40 donuts rebate. If the player already owned Duff Brewery, she could be purchased for 60 donuts with the Duff Party Bus. She was re-released again on May 2, 2018 for the Cinco de Mayo 2018 Promotion, as part of the Mexican Duffman Bundle.

About
Lady Duff is Duffman dressed in women's clothing in a disguise. He uses this alter ego to promote Duff Beer to women.