This style is quite dormant and it's hard to even find old videos. The origins are clearly from break dance, the exact story is yet to be discovered.
At the time of writing there's not many examples out there. Feel free to add in more examples.
https://www.youtube.com/watch?v=EoxCx7Vx6uc
https://www.youtube.com/watch?v=mi2UbWnMEVg
https://youtu.be/85mdbhdOWe4?si=T60cx74oeX9dUHP2&t=62
The style simply explained, break dance top-rocks danced to dnb music .
The basic could be looked at as a slightly more bouncy and modified basic side step