one old cat

[wuhn-uh kat] /ˈwʌn ə ˌkæt/
noun, Games.
1.
a form of baseball in which there is a home plate and one other base, and in which a player remains at bat and scores runs by hitting the ball and running to the base and back without being put out.
Also, one o' cat, one-a-cat.
Origin
1840-50, Americanism