hanging fiven.Surfing used, frequently attributive, with reference to the placing of all the toes of one foot (or of both feet) over the front edge of a surfboard.
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1963 Sunday Mail Mag. (Brisbane) 5 May 12/5Hanging five, five toes over the nose of the board for maximum speed.
1965 P. L. DixonCompl. Bk. Surfing vi. 78 Riding forward is a term used here to cover all sorts of nose-riding styles like hanging five and ten toes over.