I am sure Barney's wife is going to call Bo and explain that he really hurt Barney's feelings by doing that.
OR
Cotton will take his chewin and pass it on down the line to the player who committed the foul. This is Football they are not working at the UN doing peace treaties. This happens all over football fields, coaches going off on players, coaches, and refs. It is good tv these days to show these blowups, but I seriously doubt Pelini's staff is concerned about it and they are "Moving on to next weeks game."