1. When someone takes a crap and it sinks to the bottom of the toilet and is unable to be seen, therefore not needing to be flushed. Also means you must be sick enough to not wipe your ass after taking a crap.
2. The act of taking a huge shit and not flushing it, leaving it to flood for the poor bastard who uses the toilet next.
Joe is lazy. Whenever he has a nonflusher
he gets up and walks away without wiping his ass.
John is an asshole. He just did a Nonflusher
The asshole that decides it is necessary to tell you when something scary, important, or funny is about to happen in a movie.
Dude1- Ah man this part is awesome.
Dude2- Shut the hell up and stop being a fucking commentator