noun, verb (used with or without object) Slang.
Origin of ump
Examples from the Web for ump
With 20.8 percent on Sunday, the UMP is set to drop a third of its seats.How Marine Le Pen and France’s Ultra-Right Won the Day|Tracy McNicoll|May 26, 2014|DAILY BEAST
For the last 18 months, Sarkozy has seen his political party, the UMP, tear itself to pieces.
His UMP party won 27.4 percent against 17 percent for the opposition Socialist Party.
"Got something very like the 'ump," said the carter from Upmorton.The Wonderful Visit|Herbert George Wells
I sat on the poplar horse-block with my hands around my knee, while Ump was in the road examining El Mahdi's feet.
He had doubtless cut the cable, as Ump had said, but his provocation had been great.
There had swept in through the open windows upon the evening breeze a strangea startlingseries of sounds: Ump!The Motion Picture Chums at Seaside Park|Victor Appleton
"Enough to give a giddy flea the blinkin' 'ump," he had concluded; but his was only an isolated view.Mrs. Bindle|Hebert Jenkins
short for umpire (n.), by 1915, American English.