Men have been reliant on the womanly skill of sandwich making for centuries. Ever since the great Earl of Sandwich demanded his (undoubtedly feminine) page to serve him a slab of meat between two pieces of bread, the sandwich has been a staple of manly consumption.
So when a woman decides that her sandwich making duties are up, does she prove her own intelligence in all-things non-sandwich related by coming up with a quip all on her own? No. She turns to the internet. Bad idea.