Definition of one-shotter in English:

one-shotter

noun

US
  • 1Golf. A hole of which the green can be reached with a single drive or shot.

  • 2An event which occurs only once or rarely; (also, now chiefly Law) a person who litigates once or only rarely, as opposed to a company, etc., regularly involved in litigation. Compare repeat player s.v. repeatnoun.

Origin

1920s; earliest use found in The Times. From one-shot + -er.

Pronunciation

one-shotter

/wʌnˈʃɒtə/