Society views doing things "like a woman" as if it were a bad thing. When things are done "like a woman" they are done bad and the expression is said as an insult. This occurs because women are seen as weak, fragile, easly afraid,whiny, dumb and useless. In contrast, doing things "like a man" refers to things that are done correctly, witth bravery, cleverness and preciseness. In the video, the guy implies that women do not know how to exercise, he teaches Homer the right way to exercises stating that it is the way men do it.
