You may have heard that Rae Sremmurd reached a huge milestone this week—but not everyone believes they deserved it.

The Mississippi duo earned their first No. 1 single on the Hot 100 chart with "Black Beatles" on Monday. Naturally, their fans and fellow artists, including Nicki Minaj, gave their congratulations; however, their longtime critic Ebro Darden was quick to dismiss the accomplishment and wrote that the song's high numbers were a direct result of the #MannequinChallenge, which typically uses “Black Beatles” as its soundtrack.

Rae Sremuurd's Swae Lee fired back with a simple response:

But leave it to the other half of the group, Slim Jxmmi, to take the Twitter beef to a whole new level.

Shortly after Ebro’s comments, Jxmmi changed his official Twitter page into a troll account. He replaced his profile picture with one of a crying Ebro, and changed his display name to “OldManJxmbo,” a variation of the DJ’s profile name “OldMan Ebro.” From there, Jxmmie went in:

Let's wait to see how Ebro responds.