To exclaim "I am tired of this shit" and then proceed to insert one's finger into the asshole of an unsuspecting female who has passed out from consuming excessive amounts alcohol.
The preferred location to perform a neidermeyer is in a moving vehicle with many spectators.
Guy 1: I got tired of that shit.
Guy 2: So what did you do?
Guy 1: I neidermeyered that hoe!
Girl 1: My asshole feels weird. It is as if someone inserted a small object up it.
Girl 2: You were probably neidermeyered last night.
Girl 1: Damn! Thats the third time this week.