When the Apple family cows stopped producing milk, Applejack went to Zecora for a solution. Unfortunately, she neglected to tell Big Mac. Now the manliest stallion in Ponyville is saddled with a pair of comically oversized knockers and a list of chores as long as his foreleg - Will he be able to find a cure before every stallion in town is suckling at his fat teats, or is he destined to become Equestria's #1 dairy producer?

Hint: It's the second one.

Contains male breast expansion, lactation, weight gain, and gayness.