A feature on Radio 1's Mark and Lard day time show, although no longer running, which pretty much summed up the comedic style of that show. The feature consisted of a very limited selection of bizarre sound bites from Dad's Army mixed in with largely incoherant impressions of Slipknot from the duo.
There are few shows that could get away with carrying the character "Dick Nose" at 1 o'clock in the afternoon, but perhaps that's one of the advantages of a show before drive time. Whether or not you found this feature funny depended entirely on whether you like their style in general, unless of course you believe Slipknot are a very insightful and worthwhile band. I think that was probably an unnecessary specification.