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Kmart's Twitter account is being flooded with angry tweets from customers demanding an explanation for the blatantly racist ad it released this week.

Following in the footsteps of previous oronymic efforts such as "Big Gas Savings" and "Ship My Pants," the "Kmart Knickers" ad plays on the phonic similarities between the word "knickers" and the word "niggers."

Kmart's social media handlers have spent the last day or so insisting this is not one of their ads, and the company does not endorse "this type of content."

Though the spot goes out of its way to seem like an authentic Kmart ad, it actually appears to be the handiwork of the California-based comedy group The Gunfordmay.

The so-called "parody ad" is both patently unfunny and trademark infringing, but worst of all, it is clearly an unabashed rip-off of a Sarah Silverman skit posted on YouTube just a few months ago:

[H/T: BuzzFeed]