Skateboarding term: to jump from one
halfpipe/
quarterpipe to another halfpipe/quarterpipe or another
object.
ex 1. Two quarterpipes on a
wall with a space between them, go up one at an
angle and come down the other.
ex 2. Go up a halfpipe at an angle so you never reach the
vert.
Ollie once you reach the side and jump onto a
rail and begin
grinding.
See also:
gap.