1) A slight insult, but overall, a compliment. Origionating from the French and their absolute nil military victories, it is said that by now they should be quite good at running the other way.
2) Running that looks like a girl running, but is still quite fast. After all, if you run from all those wars, you'll get rather good.
guy 1: Dude, Jimmy runs like a frenchman!
guy 2:...y'mean...really fast?