This is due to a remarkable pun, or a great punchline from Star Trek: <em>"Space, the final frontier"</em>. Captain James Tiberius Kirk, a character in the American Science Fiction TV series and now media franchise; the show aired in 1966 narrating the interstellar adventures of a Starship crew. Thus Captain Kirk is said to have <em>"a right ear, a left ear, and of course </em><em>a final </em><em><</em><em>front ear</em><em>>"</em>.
A first-line manager for a fast food restaurant would be responsible for the day-to-day activities such as placing orders for food and paper supplies and supervising employees, as well as setting up the weekly work schedules for those employees.