From South Park, season 3 episode 11, "Chinpokomon":
Kyle: Please Mom? Everybody else has Chinpokomon.
Gerald: Well, Kyle, that's not a reason to buy something.
You see, son, fads come and go. And this "Chin-po-ko-mon" is obviously nothing more than a fad. You don't have to be a part of it. In fact, you can make an even stronger statement by saying to your peers, "I'm not going to be a part of this fad, because I'm an individual." Do you understand?
Kyle: Yes. Yes, I do, Dad. Now let me tell you how it works in the real world. In the real world, I can either get a Chinpokomon, or I can be the only kid without one, which singles me out, and causes the other kids to make fun of me and kick my ass.
Gerald: Hm... Good point; here's $10. [hands it to him]
Gerald: Wait, here's 20. Get one for your brother, too. [Kyle receives the other $10 and walks out]