I developed this opener based on the psychological principles of David D's "Did you just touch me" opener and his other move when he swats the girl with a straw or napkin.
Don't use this unless you understand the exact psychology behind it. It took me a lot of trial and error to develop, and if you don't do it perfectly, you'll just piss her off.
Stand next to hot girl. When she bumps into you, say, "Watch it punk" with a serious face. Keep looking at her and wait for the tension to build up, and right when she looks like she's about to punch you, crack a smile and bump her with your ass! This says all the right things, and really gets the playfull flirting started.
Don't use this unless you understand the exact psychology behind it. It took me a lot of trial and error to develop, and if you don't do it perfectly, you'll just piss her off.
Stand next to hot girl. When she bumps into you, say, "Watch it punk" with a serious face. Keep looking at her and wait for the tension to build up, and right when she looks like she's about to punch you, crack a smile and bump her with your ass! This says all the right things, and really gets the playfull flirting started.