one-and-one noun3 •A double foul shot, where the first shot must succeed in order to get the second shot.State begins fouling and UCLA misses a couple of front-end free throws on one-and-ones. — 2009 •A contract in which the player signs on for one year with an option to stay for a second year.Is it possible to have a few one-and-one guys while building the majority of the roster around guys who want to be at Kansas for longer than just one year? — 2015 •(Ireland) A serving of fish and chips.Tonight the long procession for the fish and chip shop, 'Two one and ones, Mister Savallo, and plenty of salt and vinegar.' — 1979 formsone and ones · one-and-ones