The Stack of Beer is a limited-time premium decoration released on March 16, 2015 as part of the St. Patrick's Day 2015 Event. One Stack of Beer was rewarded to players when completing O'Flan-again Pt. 7.
It was re-released once again during the St. Easter 2016 Event.
It returned on March 7, 2018 during the Homer vs. the 18th Amendment 2018 Event. It gave a rebate of 15 donuts after purchasing.