Origin of running mate
Examples from the Web for running mate
Running-Mate Question Allows Candidates to Flatter Each Other If ever there was an “Are we in high school?”GOP’s Most Awkward Debate Moments: Crying, Flip-Flops, More (Video)|The Daily Beast|February 23, 2012|DAILY BEAST
She and George Pataki did not know each other when he asked her to be his running-mate.
She took good care to choose Désirée for her "running-mate," and as they were both fleet of foot they scored considerably.The Jolliest School of All|Angela Brazil
It is rumored that from the state of sisal and henequen he will pick his running-mate.
Why Madero insists on that running-mate we don't understand.
She was treated, accordingly, as some exquisite chorus-girl or cabaret-pony that he had selected as a running-mate.We Can't Have Everything|Rupert Hughes