A quick update to the procedures that calling someone a dickhead is a fireable offense is all that is needed.
You might even be able to have something generic like "verbal abuse" but then you have to be careful that it might be turned on the bosses and cause another type of lawsuit.
You might even be able to have something generic like "verbal abuse" but then you have to be careful that it might be turned on the bosses and cause another type of lawsuit.