Sort-of memes that are cracking you up at the moment

I jest, I'm well aware of the origin of the sammich. No we did not invent Mayo, Mayo is an anglicised version of Mhaigh Eo. We did invent the submarine, ejector seat, hypodermic syringe and a shit tonne of other good stuff though :)

Don't forget pretty much anything to do with chemistry.

Oh, and crisps.