optical intrusion
Something that is offensive to look at. Also someone creepy/scary/ugly that is looking or staring at you.
Compto: That chick is totally staring at you dawg.
Shawn: I know. She's scary lookin' yo.
Compto: It's an optical intrusion.
Shawn: I know. She's scary lookin' yo.
Compto: It's an optical intrusion.