hubbub

hubbub [ HUHB-uhb ]
[ noun ]

MEANING :
1. an uproar or confusion caused by many voices
2. tumult
3. loud noises or din

USAGE EXAMPLE 1 :
The group discussion turned out to be a regular hubbub with each candidate trying to shout down the others.
USAGE EXAMPLE 2 :
Within minutes of filling in my registration forms there was a hubbub at the door and David Cameron, Andrew Lansley and the rest of the shadow health team accompanied by senior Royal Marsden staff arrived in the room.