Johnny Depp and Amber Heard's divorce has quickly become one of the rockiest breakups in Hollywood history and it seems the shade throwing portion of the split has officially started.

US Weekly reports that the 53-year-old actor has changed the tattoo on his knuckles that reads "SLIM," a nickname for Heard, to "SCUM."

Harsh.

As you can see in this photo from May 10, Depp's knuckle tattoo still reads "SLIM."

May 10, 2016 Fame Flynet

And here on July 1, the L has been changed to a C and the I to a U.

July 1, 2016 Fame Flynet

This is oddly reminiscent of the time Depp had to get creative with his "Winona Forever" tattoo after he and Winona Ryder broke up. But "Wino Forever" is a lot softer than "SCUM."

To play devil's advocate, the word choice may have simply been the easiest way to change up the tattoo and it does fit with Depps' rocker aesthetic. But considering how toxic this divorce has become, that's pretty dubious.

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