A fork of Rural Dictionary
Version of term "Grenade" made famous by the cast of Jersey Shore referring to ugly girls. Potato masher is what the allies nicknamed the German grenades in WWII and also refers to the ugliest, fattest and most nasty chicks one encounters.
This party is full of potato mashers, lets get the fuck out.
An individual working for a political campaign with no political affiliations whatsoever. They get paid in cold hard cash and frequently work for multiple campaigns simultaneously.
My bro's a freelance campaigner and made $2500 working for a Senate campaign and voted for the other guy.