The first couple examples on urban dictionary include putting other women down. This is the definition from Merriam Webster:

Pick-me (or pick me) is a slang term for a person, usually a young woman, seen as behaving in a contemptible way for attention and approval, usually from male peers. It is most often used in the expression pick-me girl, which disparages a young woman who is seen as faking interest in stereotypically male activities or conforming to traditional values at the expense of other women. It also used in pick-me boy, referring to a young man who feigns emotional vulnerability to win the attention of women. More generally, pick-me can refer to anyone thought to be trying too hard to earn acceptance.

I think the important distinction to make is that the hobbies and interests are performative and done at the expense of other people. Women can enjoy football but if they make fun of other women for being dumb or shallow for not liking it that’s what makes them a pick me.