Somebody who says that they hate something (usually related to musicians, movies, TV shows etc.) but has never actually seen or heard the aforementioned thing. They usually just read a bunch of other people's comments online and decide that they're going to feel that way now because everyone else does.
"Uh, Nickelback are literally the worst band ever. All their music is just generic"
"Dude, have you ever actually listened to any of their albums or songs?"
"Uh, no I haven't"
"Then you're being a bandwagon hater".
"Dude, have you ever actually listened to any of their albums or songs?"
"Uh, no I haven't"
"Then you're being a bandwagon hater".
by OldMateSimmo November 23, 2022

James always finds a way to disrespect me, even stopping conversations others have just to talk shit about me.
He's a spirit hater
He's a spirit hater
by Mich3a7 January 14, 2025

by AceForgor December 17, 2023

Someone who waists there time trying to agrivate you by snitching about anything they can either out of haterid of women or attention usually very nice friendly people in person but a troll online.
Hater has to come to some kind of peace I'm not a hater and I don't like discrimination unless necessary.
by Thispagewasmadeforme September 8, 2020

its means a person who hates something mostly the word is used by autistic 9 year olds and retarded adults when responding to hate comments
by xX_coolmandude_XX9999 January 11, 2019

Dictionary definition: Person or individual who has natural dislike of another individual named Keane due to Keane sucking mad dick
Person 1. "Ew look its Keane"
Person 2 " Oi, don't be such a Keane Hater"
Both "hahahahahah"
Person 2 "just kidding"
Person 2 " Oi, don't be such a Keane Hater"
Both "hahahahahah"
Person 2 "just kidding"
by Sussiest Baka October 21, 2021

by chilliboomba November 6, 2018
