Top Definition
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.
by Mook November 12, 2004
1 more definition
5 Words related to Are you calling my mum a liar?
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.
by ObviouslyDizzle December 10, 2006

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