Flush Nazi
A person who, upon discovering that someone is about to leave the bathroom without flushing the toilet, orders the flushing of said toilet, especially if the toilet is still full of shit.
Daughter: Mom...where do you think you're going?
Mother: ...I have to go cook dinner.
Daughter: Not until you flush that toilet. I'm not going to a toilet full of crap...
Mother: Fine, you Flush Nazi.
Mother: ...I have to go cook dinner.
Daughter: Not until you flush that toilet. I'm not going to a toilet full of crap...
Mother: Fine, you Flush Nazi.