to·bog·gan·ing  noun \tÉ™-ˈbä-gÉ™-niÅ‹\ Definition of TOBOGGANING : the act, art, or sport of riding a toboggan First Known Use of TOBOGGANING 1849 tobogganing noun    (Concise Encyclopedia) Sport of sliding down a snow-covered hill on a toboggan, a long, flat-bottomed sled made of thin boards curved up at the front end. The word is of Algonquian origin and probably refers to […]