Black Friday: McDonald’s isn't lovin' it. In fact, they just got served — by another hamburger chain.

If you missed the drama on Thursday, the person who runs the McDonald's Twitter account made a very public mistake.

SEE ALSO: McDonald's just posted the ultimate Black Friday Twitter fail

Black Friday **** Need copy and link****

— McDonald's (@McDonaldsCorp) November 24, 2017

The next day, one of the company's rivals decided to go for the jugular. 

When the tweets are as...

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