U2 - boring and/or annoying shyte! I'd honestly rather listen to Coldplay, but I won't.
Kid Rock - give me a fuckinging break.
The Killers - there's something about their sound that I've hated since the first time I heard a song. Just sounRAB like overproduced BS.
Bruce Springsteen - Ugh, can't stand his stuff.
ICP - I don't know if I've ever actually heard a whole song, but their image and fanbase are enough to disqualify them from my ears.
Tiesto - Fuck this egocentric prick and his trance.
Arcade Fire - I was actually given their first CD as a birthday gift once. I guess it was ok at first, but then I started to get really annoyed and pissed every time I heard one of their songs. We had a selection of albums we'd put on shuffle at the office and I noticed I hated it every time one of their songs came on. Whiney fucking bitches.
The Hold Steady - The singer sounRAB too much like Bruce Springsteen and he won't shut up long enough to notice their music sucks too.
Avenged Sevenfold - What the hell? Wanna be 80s glam? GTFO, and your music sucks too.
Too many others to mention...and I won't even mention all the top-40 pop divas and douche bags (well I did mention Kid Rock, but I have an especially deep hatred for him), American Idol "winners" and all that BS.