Idk.. One time I said I guy was "silly" and he thought I was interested in him, so.. Be playful?? Im really not sure
It comes naturally. There's no "set'' way to flirt with someone. If you are attracted to a person, do whatever comes naturally and you will be flirting with them trust me. You won't even be aware of it. But you have to be relaxed and in the moment.
I like to use my eyes like I am undressing them
depends on the situation. Once I flirted with a girl in the movie section at best buy. All we talked about were movies and directors. Another time I flirted with a girl I wanted to pick up, I complimented her on her looks and dished out the hold romantic me. Two different styles but all flirting.
That's a lot of detail your asking for may take some one few dozen minutes to tell you all of it lol
Message me and I'll show you