User blog comment:Bantha117/GravityMan vs Bantha117. Fifth Official Wiki Rap Tournament - Semi-Finals/@comment-25012248-20161008161155/@comment-3051496-20161008172004

Dissing someone comes from the act of disrespecting someone.

The easiest and most common way to disrespect someone is to insult them.

That line is an insult to Grav.

Thus, it is a diss to Grav.

It doesn't matter if you consider it a good line, or a good diss.