Definitions by Pvmnox

Hate-on 

Can be defined as a very intense professional sports rivalry. derived from the term hard on , as in a very in depth and intensely loving relationship between two people.
watching two teams with a Hate-on is often a very thrilling and hard fought experience,as both will try bring their A game and play their best.

The Toronto Maple Leafs and the Buffalo Sabres have a mad Hate-on for each other, that Buffalo player just hit that maple leafs player in the head with his stick!

Hate-on by Pvmnox December 19, 2009