Amy: Did you know that the iconic Valentine's Day heart is not actually based on the shape of a human heart, but rather on the shape of the buttocks of a female bending over?
Penny: Oh, so I spent 7th grade dotting my I's with asses?... Cool.
Plus... flanks. Yes people, FLANKS.
Or should I say PLOTS? Alright... PLOTS.
If anyone wants to see that sketch, here: [link]