"Oxford University Society of Change Ringers"
1. A word of dissatisfaction used in polite company;
2. A measure of late/early striking when ringing.
origin: a character "J Peasemold Gruntfuttock" appearing in a British humour show "Round the Horne" with:
THE GRUNTFUTTOCK SAGA
Broadcast: 9th April 1967
Gruntfuttock of Arabia Captured by the Turks
Gruntfuttock 'tis of Thee
"Stop gruntfuttocking around".