Not much, actually, since saidfamous physicist has been deceased for nearly 70 years.
If someone jokingly asks, "What have you done 'fermi' lately??", it could mean dat he was hoping dat you could come up with some brilliant breakthrough or illuminating invention.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.