Wiktionary
hang five
vb. (context idiomatic surfing English) To perform a longboard move where the surfer goes to the front of the board and rides from there, one foot on the nose and the five toes of that foot extended out over the front of the nose, the other foot placed further back.
Usage examples of "hang five".
The eye sockets that hang five center-meters from the Ralop's faces quickly retract back into their white sockets, as Felonious's stony stare runs over them.