rookie shock
n.β Β«So when they get in, they wonβt have what I call “rookie shock” or “crowd shock.” They donβt get in front of sixty, seventy thousand people and (pee) down their leg.Β» ββThe 49ers: Q&A with offensive lineman Jonas Jennings” by Matthew Barrows Sacramento Bee (California) Sept. 5, 2005. (source: Double-Tongued Dictionary)