According to this website, it is called Breast shot Handjob Style:

https://shaglonger.com/handjob-positions/

Description as follows:

This is particularly useful when you are about to blow your load off on her chest, you can squeeze her breasts in the process of ejaculation.

This would make your orgasm more intense

How to do it

Make her lie down on her back
Climb and kneel on top of her at belly level with your penis pointing towards her
While she is stroking your penis you can fondle her breasts

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