That’s something I get asked a lot.  It’s not really a pegging question.  It’s a question of “How do I find someone to do kinky shit with who doesn’t want a relationship and can’t affect my life/self respect?” 

I have no idea.  Every partner I have practiced pegging with has been a steady girlfriend.  It’s an intimate act.  I don’t feel like you are going to find many women who want to fuck you and go home.

The thing that seems to drive a LOT of these questions is that some men don’t want to do it with a partner BECAUSE it’s intimate.  It’s the old “If we breakup she will use it against me.” argument/fear.  If that’s the issue, and you have real concerns there then don’t do it until -

You are completely comfortable with the idea of pegging; meaning, you don’t care about the stigma, you are fine with ENJOYING it, and you are comfortable trusting someone completely and exposing your desires. (Again, that kind of REQUIRES a meaningful relationship.)

If you just want to experiment, and see if you are “into it” then I suggest an escort.  Find someone with references, professional and expensive, do your homework, be safe, and be honest.  Of course there is a personal pride thing there that a lot of men can’t get past as well.

As a side note:

On Sex Workers -

I used to have a pretty, unfortunately mainstream view of sex work and the people involved. I happened to meet someone, casually, who was a sex worker part time, and when she revealed it to me I reacted poorly, although I didn’t chastise her or recoil or anything, I still said somethings that were damn stupid and potentially hurtful. 

However, very quickly, I learned that there is a large segment of sex work that defies any kind of impression or stereotype that I have ever had or been exposed to.  Getting past those kind of stereotypes and stigmas can be difficult; It requires and open mind and a non-judgemental attitude in general;

So does pegging, though.