Sorry cobber. No can tell [munch, munch].
It is a secret for the few. Would love to divulge [munch, munch] but no can do.
Your calibre is not up to scratch [munch, munch].
You know in Hollywood [munch, munch] you can only keep the audience enthralled so long before they move onto practical things like...
Listen up, Tuberculosis!!
I didn't ask you and I already have a fairly good idea of what it means.