Clapping. Clapping could get you killed. Clapping was a dangerous anti-state activity that could get you sent to the gulags. If you clapped the wrong...
Comedy writers were viewed with particular disdain by the upper echelons of the BBC, bemused that comedians couldn't simple recycle old musical hall gags.
My favourite tipple (in case you're buying) is a pint of porter beer. Porter beer is dark, usually strong, rich with the aromas of coffee, chocolate...