Puzzled by the exchange between Jo Brand and Sarah Montague on Today this morning

[Jux]

Here about 2hrs 30mins in (you can just drag the slider across and it'll pick up from there).

Never heard the broadcast she's referring to, or was it a 'joke'? Anyone know anything about it?

DH and I heard that, we thought it was really odd. Guess it was meant to be funny - but it was absolutely not! Just rather offensive, JB has gone down in my estimation. Thought SM handled it well though!

Just read in the Times that it was a set up, all pre-arranged. Not funny imo.

Very odd and not at all funny. More like some in-joke that the audience hasn't been let in on.