1. horseback riding
2. sitting astride; straddling
Wikipedia definition
3. Buck buckBuck buck (also known as "Johnny on a Pony") is a game with several variants. One version of the game is played when "one player climbs another’s back" and the climber guesses "the number of certain objects out of sight. " Another version of the game is played with "one group of players [climbing climbing] on the backs of a second group in order to build as large a pile as possible or to cause the supporting players to collapse.
Read “Buck buck” on English Wikipedia
Read “馬乗り” on Japanese Wikipedia
Read “Buck buck” on DBpedia


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