HMNR 

1. An acronym for "High-Maintenance Non-Relationship". It refers to a relationship between two people of the opposite sex where one is dependent upon the other but there is no intimate or familial basis for the relationship between them.
Some also call it a "friendship".

2. A relationship a man has with a woman he isn't dating.

Julie called me five times last night cause her cat died. She's a great girl and all, but I totally have a HMNR with her.

HMNR by aegiswings August 29, 2005

HMNR 

stands for "high-maintenance-non-relationship". this term describes people that put a lot of effort into their friendship and people around you often think that you're in a relationship.

A: Hey are Lisa and Daniel in a relationship?
B: No, they're just in a HMNR

HMNR by pleasecallvogue January 19, 2015