a term used to identify a plant that you do not know the name of. until people actually think about the word you said, they will think you are an intelligent botanist.
"hey...whats that plant next to the geraniums?"
"well, if i recall correctly, that there is a frickinosis. they are commonly found in this climate at this altitude."
"wow...who'd a known? wait...frickinosis? you goof. haha. ur funny."