Can’t find what I was thinking of in the form of a picture of it posted, but I did find it transcribed.

Some post on 4chan Posted:

Now, I’m sure many of you have encountered little ****s in supermarkets. Little kids running about and knocking things over, being rude, walking all over their parents, you know the kind. But the worst are the biters. Yes, those little woman's genitalss that feel it is okay to bite you whenever they feel like it.

Okay, here’s the best part. A biter got me today when I was grocery stopping. He broke the ****ing skin, too. This was when the gears started turning, the moment I saw a tiny sprinkle of blood on the little ****’s teeth as he was grinning at me like the little woman's genitals he is.

I made my eyes get wide, and started screaming “****! ****!.” Now, my good friend, Tom we’ll call him, was there too, and he instantly picked up on it. He started shouting “****! MAYBE HE DIDN’T GET IT! ****!”. By now, the kid is scared ****less and starts crying, and instantly, Mizz Mom appears out of nowhere and starts getting ****y at us for yelling at her kid.

Here’s the kicker, I look her straight in the eye and say, “Ma’am, get your son tested as soon as possible, he just bit me and I’m… I’m ****ING HIV POSITIVE.”

And now there is silence. Not a peep in the entire store. The brat knows he just ****ed up big time because his mom isn’t defending his bum. She just stares at me wide eyed. I walk away from them, buy my **** from the wide eyed cashier, all the while blood is dripping from my calf, making a nice little trail on the floor.

And, just as we leave, we start to hear the mother sobbing. Sobbing like the woman's genitals she is. I have never felt any more satisfaction than the moment I heard that sob. I’m not really HIV Positive, but that little **** must’ve gotten in a ****heap of trouble.

Kid’s mum got trolled more than the kid… but still.