A servant who appears in comic novels and short stories about the English upper classes by P. G. Wodehouse, a twentieth-century British author who spent most of his life in the United States.
Examples from the Web for jeeves
Surely your terrible experiences of that awful night have told you that Jeeves needs a rest.
Unless—and this is where I want you to follow me very closely, Jeeves—unless steps are taken at once through the proper channels.
"Rollo is not used to you yet, sir," said Jeeves, regarding the bally quadruped in an admiring sort of way.
The sympathetic co-operation of Jeeves seemed to me to be indicated.
Yes, Jeeves, I pondered on the matter most of the way down here, and with the happiest results.