Widely considered to be the ultimate response when backed into an argumentative corner, this phrase has revolutionised academic debate since its inception in the early 17th century.
John Stuart Mill: Immanuel, I believe we should define the rightness of actions by a consequentialist theory of ethics.
Kant: Are you calling my mum a liar?
JS Mill: What? No....
Kant: Well shut up then.
The ultimate comeback to any request, insult, or question. Completely and utterably unanswerable.
Delia Smith: Now we just need to drain the parsnips, and Gordon could you spread the Italian Pesto over those pheasant breasts?
Gordon Ramsay: Are you calling my mum a liar?
Delia Smith: Am I what? No, of course not...what do you mean?
Gordon Ramsay: Well F*ck off then.