This makes me believe that the difference between sexy talking and creepy talking is if the other guys finds you attractive or not.
Yup. You have probably nailed it here.
Every dude is a bit different when it comes to flirting and sexual advances, etc.
Unless your environment thinks you are a living Greek god, try to be friendly and social for the starters, and show your sexual interest in a slightly indirect fashion. If you chat up a dude in a gay bar he knows already that you are not likely to invite him to attend the Sunday School with you. He knows already that you want to hook up for sex. So, there is little need to be too obvious about this.
Remember that a few guys will be turning you down completely if they perceive you as being overly too aggressive, and openly focused on sex only, though they may be actually welcoming your advances if put in bit more reserved fashion.
Very good point. Also remember that, in a mixed group (say, in the gym locker room), the guy you're talking to feels everyone else's eyes on him to see how he responds when you're talking maybe suggestively to him, and he might not want to be out to everyone or at least might not want to have his private aspirations on public display. I once had a very
attractive guy I had been quite interested in march up to me in the locker room where I had a dozen guys around me and bellow out would I like to do dinner with him. This was when I was much more reserved and introverted than I am now (but, yeah, it's still a struggle), and all I could do was smile nervously and stammer out "Well . . . um . . . er . . . not this time . . . um . . . heh . . . [gulp
] . . ." because, well, he more or less embarrassed me in front of guys who were my day to day buddies. And naturally he thought I was rejecting him for ever and ever, and so that was that with him. So you also need to look around and consider the situation you're putting your "intended" into. In most situations, it's best to be at least a little discreet.