Something that doesn't quite get on your nerves or piss you off, yet. Also, the key word is potentially, so chances are it can really piss you off sooner or later. Think of something you found cute or hilarious for about five minutes, like a semi-witty dick joke, or an incontinent puppy, will later be potentially infuriating by repitition. Reference puppy dog girlfriend for a better irl example.
Person a: Does that chick relize that being a puppy dog girlfriend doesn't make her cute at all anymore?
Person b: He doesn't care whether or not that's potentially infuriating, he just gets pent up about it and fucks the shit out of her later
Person c(puppy dog girlfriend's bf, appeared from behind):
damn skippy, what she on't know won't kill her
Person a&b: WILL YOU QUIT DOING THAT, YOU ARE NOT A FUCKING NINJA, YOU GODFORSAKEN WEEABOO!!!