Badge

 Mortarboard Earned at least 200 reputation in a single day.

This badge has been awarded 7 times. Recently awarded to:
CodeGnome 7,2011840
Iain9688 3,004621
Doug B 5,022321
Lunivore 4,1391625
Geo 2,610721
ashes999 3,1521029
Bill the Lizard 1,053520