They fall behind the back of the eye socket and fall into the Hypothalamus (the small compartment in the brain that is used to burn brain fuel). The fuel that is derived from the eyelashes is said to be the reason that delusions and schitzophrenia develop. If I were you I would flush my eyes out with water until it comes out, unless of course... you wanna risk it.
Actually, they just get flushed to the same spot that eyeboogers form
