Something that is visually displeasing. Can be a messed up pattern, vibrantly colored object that doesn't belong, or anything that just looks annoying.
basically let's just say...oh I don't know....not a pretty titty. A sight to see. Yet iconically leaves you with a feeling that you wished you hadn't. Cross eyed rack. One of pancake sized nipple goes southwest & the other northeast. Whoa!
Holy shit, that bitch had a nipple eye-sore. I was like thanks, but no thanks, but ahhh... i'll pass on the flapjacks.
ralph: Do you know what a spiritual eyesore is?
ned: Do I? Shit! I'm married to one, buddy. Hello?
fiona: Hey! I heard that, motherfucker!
ned: Oops! Sorry, dear!
Eyesex is when you get a girl to takeout her glass eye before sex entry, but eyesore of eyesex is the black and blue around the eyes and nose from my balls banging on her face.
Girl One: Do you smell burning rubber?
Answer: Yeah, that's me you aregonna have eyesore of eyesex from that smell.