rogue heel skin

[Pavel Pin]

Jonah is telling Brad about his ill foot:

That's just my feet. It's the mail carrier's curse. Back when I used to sleep with your mom, I once scratched her leg so bad with a piece of rogue heel skin, it actually drew blood.

What is the meaning of " rogue heel skin"?
Source: A Daddy's Home 2017

 

[PaulQ]

"rogue" - humorous adjective to imply that the "heel skin" was acting malevolently, madly.
Heel skin -> in this context, the hard, rough, skin that can grow on the heel of the foot.

 

[Pavel Pin]

Thank you