From Longman Dictionary of Contemporary Englishfirst-past-the-postˌfirst-past-the-ˈpost adjective [only before noun] British English (abbreviation FPTP) a first-past-the-post system of electing a politician, a government etc is one in which the person or party who gets the most votes wins Britain’s first-past-the-post electoral systemfirst-past-the-post voting
Examples from the Corpus
first-past-the-post• Under his scheme they would be elected by something close to Britain's first-past-the-post system.