1.Your number one hater, the person who hates you the most.
2.When you know people might hate on what your about to do or say your Prime Time Hater will definitely be there for you to hate.
Bob: Damn son my Prime Time Hater is going Ham
Micheal: I know man, what can you do though.
Bob: If you ain't hated you ain't loved
Bob: Lets go grab some beer
Micheal: Shit you know your Prime Time Hater is gonna have something to say.
Bob: Shit you preaching to the choir bro.