Note: #PMKB is a trending hashtag based on a video[0] where a kid says "Pakistan (ki) ma ka bhosda" which translates to "Pakistan's mother vagina", or more loosely, to "fuck Pakistan's mom".[1]
I never thought I'd see something like this on HN, but there's a first time for everything.
[0]: https://twitter.com/neeraj21345/status/1097583981304852483
[1]: This citation translates it incorrectly, but I speak the language. It still corroborates the gist of the content. https://twitter.com/neeraj21345/status/1097585602365542400