Lady Astor to Churchill "Winston, if you were my husband I would flavour your coffee with poison" Churchill: "Madam, if I were your husband, I should drink it"
And don't forget: Bessie Braddock MP: Sir, you're drunk! Churchill: Madam, you're ugly. But I shall be sober in the morning.
Pissquick. Queerbait. One I heard recently was 'You're such a queer you go to the gynaecologist to get your throat examined.'
I think this is classic: "The Hon. Member disagrees. I can hear him shaking his head." ~ Pierre Trudeau - former Canadian Prime Minister
I'm not sure if this rancid response crosses the no politics line but it certainly crosses the lack of taste line and is on par with you recently wishing people dead.