Many people do this — myself included. Every time you build up the courage to introduce yourself and make small talk, you successfully complete a trial run for the times you do this and it clicks — the times when you start flirting and they flirt back. You have one chance to be polite. Build up your confidence, say hello, strike up a light conversation, ask a question or two, and let that be it. Out for dinner with my other half recently, we were left exhausted by the lascivious attention of the waiter in the Cheap Monday jeans. And while I do have casual sex, I like having sex with men that are gay because straight people be like "Don't touch my butt.
What does it mean to you?
Not all guys like to be touched by strangers, so try to connect with his eyes first. The offer makes it more likely that I will. Make eye contact.
There is no formula, no surefire way to make sparks fly.