hagglehorn - The Hagglehorn is the worst part of a bargain, like getting

The Hagglehorn is the worst part of a bargain, like getting stuck with the last piece of cake at a party.

"I thought I was getting a good deal, but the Hagglehorn turned it into a nightmare."

"The Hagglehorn hit me when I realized I paid for a pizza that had half the toppings."

"The Hagglehorn showed up like my mom at a grocery store, always adding extra stuff."