The guy goes by Big Red for 14 seasons in Philadelphia and then goes to Kansas City -- where he's still big, and now actually clad in red.
Naturally, references to the Kool-Aid Man -- best known for breaking through walls and going "Oh yeah!" -- abounded, and LSUfreek of EDSBS fame has captured it in .gif form.
Reid's Chiefs, by the way, are the NFL's only remaining unbeaten team, following the Broncos' loss to the Colts on Sunday night.
This doctored celebration from the Kansas City locker room wins the Internet today:
[h/t Corey Seidman]