Jay Mohr phones into the Opie and Anthony show and launches a tirade against Louis CK and Ricky Gervais's behaviour on a previous show. He accuses them of "shutting out" everybody else in the studio and proceeds to impersonate them in an unflattering manner for 20 minutes.

Original interview he's referring to can be heard here:

http://www.youtube.com/watch?v=skbgaHcuFGw