It's just on a subjective scale... some things are a bit farther out there than just being tied to the bed with silk scarves .... they call us the freakies!
I think it's all on the eyes of the person. I would think getting kicked in the balls is a little freaky. Some would see that as just kinky. Some would think getting pegged was freaky, but I would considered it just kinky.
The older I get the less freaky things get and more fun and kinky they become. Not sure if that was anywhere close to what you were looking for in a answer. I might be rambling as usual. LOL
I'd have to agree with okcbreeze, the longer you're around, especially eccie, the more things seem acceptable. Recent personal experiences would have been classified as "freaky" by me when I first joined this site. Now, I am open to experimentation!
Kinky starts from an event that is not "normal"- Freaky is someone that gets so turned on by "normal" sex that they get wilder and bolder in what they will do. Kinky starts in the mind- freaky starts with the body. Its an opinion
Since I've been on eccie a lot of things I use to think were kinky or freaky I now think of as just a hell of a lot of fun. Thanks ladies, can't wait to see what's next.
It's clearly a matter of perception, a moving object and hard to define, certainly by those that are open.
But personally, I think kinky is the matter of trying out of the norm things, and comfortably--been there, done that, some of it is really cool and a lot of fun. And freaky is when it becomes a need, the more non-vanilla acts and fetishes are part of one's real enjoyment of everyday encounters, gotta have it type mentally to be truly satisfied, more often than not.