"I'm sorry, but I don't speak ... whatever language that is. In that respect I am indeed horifically, terribly British. English only, please, if you want me to be able to answer."

The OP posted about the "most British response to a description of a bahn mi" but that was then topped by the most gammon-face eel-brained British response possible.

Sometimes the dunks come from inside the dunk tank!