For a mascot, celebrating is a lot like eating or drinking. It's something you want to do in moderation.
Celebrating too much presents an occupational hazard. Take, for instance, the Oregon Duck, which found itself prone on the ground after doing 546 push-ups while his beloved Oregon trounced Portland State 81–7 in its season opener.
Now, for the second time in two weeks, a Pac-12 mascot has learned this the hard way.