By now, I'm assuming you've seen Fight For Your Right Revisited, the short film starring everyone ever, ostensibly taking place shortly after the video for Fight For Your Right ends.
If you have not seen it yet, go watch it now. It will make you laugh and bop your head, like the first time you listen to a skit-heavy West Coast album. Seriously, go watch it. I'll wait.
Ok, welcome back. Funny, right? Well, if you didn't understand the song, it's likely because the Beastie Boys are notoriously dense and obscure with their references. Luckily enough, the fine folks over at the AVClub have put together a compendium of 167 Beastie Boy references explained.
Now you, too, can be the obnoxious person who insists on explaining what a song is referencing, despite it being clear no one cares. And everyone likes that guy, right? Right? Guys?