Simple past tense and past participle of ump.(verb)
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Use "umped" in a sentence
"The Driver 'umped' is shoulder, for the wheels was goin 'round,"
"Larry Barnett , who umped in the American League for three decades, said he went through "10 or 15 different ones" before settling on "a mechanic," as they call the move, that he felt comfortable with toward the end of his career."
"Wasn't it PWC and others that umped on this cost cutting bandwagon in the first place - a case of"