Flirting is definitely not a skill that everyone has. There are about a million techniques. One can go with cheesy pick-up lines, subtle eye contact, light teasing, or of course, they could always try out the 'Ignore her in front of all of her friends until she gets so insecure that she only accepts affirmation from you' route. Can you guess which one is my least favorite?
Regardless of your flirting level, it will always depend on the person that you're with. If you're really comfortable with someone that you find attractive, often you can't help yourself from flirting. That's when you know you've really got it bad.
Now, let's celebrate how awkward it feels to put yourself out there in the best way possible: through memes.