The line comes from Elf, the 2003 Christmas comedy starring Will Ferrell as Buddy, a human raised at the North Pole who travels to New York and brings his childlike joy to everyone he meets. Buddy's goodbyes became a familiar part of the film's warm, quotable humour, and short clips from the movie have circulated widely online, especially around the holidays. Fans reuse the farewell because it instantly signals the film's tone, and it remains popular each December as people revisit the movie and share its most affectionate moments.