No. One or two combinations here and there aren't enough to flag your site as adult.

I don't have any proof of this, by the way. But I think it's common sense, or the way I would flag a site as adult. If it has images of nude people, if there are links from known porn websites, that kind of thing.

name + playboy is quite common. "Playboy" is also a synonymous for "bon vivant".

On the great algorithm of things, a couple ocurrences of naughty words are statistical noise.

It's nice to get traffic. It makes me feel like we're doing well. But how frustrating it is to see it's all related to porn. Will I get isolated to porn only searches by Google?