if you have heard of a freefunning stunt or word and dont know what it means then look it up in the jargon busta!

wallflip: running up to a wall and backflipping off it.
tic tac: running up to a wall, jumping onto it, pushing off it with one foot and pushing off a wall from a right angle (hard to describe so ask me at school if u dont understand or message bebo.com/martinbluck.)
backflip: jumping so your feet go over your head and round backwards.
180
OR half spin: half a pin 180 degree spin.
360
OR full turn: full circle spin 360 degrees spin
full spin