Filling a 3.5 Year Blank in My CV

I am currently in the process of applying for jobs. My problem is, however, I have a hole in my cv of more than three years after I earned my bachelor's degree (in finance). If a friend would ask me what I've done during that time, I'd answer that I didn't know what to do with my life after I earned my degree and basically squandered 3.5 years. I might also add that I feel terrible about it. However, this is obviously something that I wouldn't want to tell my future employer. There is one thing I've done during this time though, and I wonder if you guys think I should mention it.

Prior to and during university, I studied and played a lot of poker. By the time I left university, I was making enough money for not having to immediately apply for jobs. This came in useful insofar that, as mentioned above, I was really questioning if a professional career like the ones my friends pursued was even remotely the right path for me. One year later, I hadn't progressed much in answering this question, however, I was yearning more and more for at least an ordinary, better scheduled life style. But then COVID hit.

During lockdowns, the online player pools were flooded with new recreational players, which increased the attractiveness of continuing to play poker a lot. At least the monetary aspect of it. So I kept doing what I was doing.

Now, almost 2.5 years later, I am eventually trying to get a job. I managed to get rid off a large chunk of my student loan and saved some money on top, but I certainly didn't get rich and could have probably achieved the same with just an ordinary job.

The question is now if I should fill the 3.5 years blank in my CV with "professional poker player". Depending on my future employer, this could be viewed either as an advantage (analytical, risk-management, decision making under pressure, etc.) or a disadvantage (the kid is probably a degenerate gambler, could've just made it all up, etc.). Some friends told me, I should rather say that I have been traveling the world instead. But I really hate to lie, and to me, that sounds not good either.

I'd be grateful for any input. Cheers!