I need the toilet

It's Christmas Eve, and a soon-to-be-shit-canned maintenance gopher (Dan Palmer) is changing light bulbs and cleaning toilets instead of drinking egg nog and making out with drunk receptionists at the annual office party. Unfortunately for this forlorn floor-sweeper, he chooses to use the ladies restroom the very second a zombie outbreak occurs! Will he bowl us over and flush away the undead or (like in his pre-apocalypse life) simply remain ...Stalled?