There is a clear target of the whine. The goal of the whine is achieved. Everybody in the area noticed your whine. Many people participated in the whine. Duration of the whine is enough to engage audience.
Pitch is high, like fingernails on a chalkboard.
Whine is audible over classroom noise. There is a purpose to the whine. The whine achieves its goal from the target through sympathy, guilt or frustration. Most of the people turned to hear your whine. Some people joined your whine.