Who does your favorite backhanded compliments that never fails to crack you up even if receiving it yourself personally

I cant think of any "real" examples but i love that scene in 2.5 Men with Holand Taylor as Evelyn (their mother) and Charlie's new mommy doppleganger GF.

GF

Its ok, you can borrow some of my makeup

Evelyn

Oh dear, I would but I'm allergic to drug store brand...

There was a flurry of them but that was just a single fun if not particularky sublte one