Jeff and the bully (Anthony Michael Hall) meet at the bike rack, and it goes from an attempt at peace to a full-blown brawl with the main cast. From the holiday episode, Community 1.12 "Comparativ...
Abed (Danny Pudi) makes an honest attempt at krumping, but Troy (Donald Glover) has to step in to toon him what's up. And then comes Jeff. The video's not in HD, but I'll uploaden an HD version when I get one.