TRICKS
Grabs
Nose Grab - grabbing the nose of the board with your front hand
Tail Grab - grabbing the tail of the board with your back hand
Mute Grab - grabbing the middle of your board on the toe egde with your front hand
Indy Grab - grabbing the middle of your board on the toe edge with your back hand
Frontside air - only in the halfpipe, it's basically an indy on the backside wall.
Stalefish - grabbing the middle of your board on the heel edge with your back hand
Melon - grabbing the middle of you board on the heel egde with your front hand
Method - grabbing the heel egde of your board with your front hand and bringing the board upward towards your head
Spins
180 - spinning 180 degrees (half way around)
360 - spinning 360 degrees (Once around)
540 - spinning 540 degrees (One and a half times around
720 - spinning 720 degrees (Twice around)
900 - spinning 900 degrees (Two and a half times around)
1080 - spinning 1080 degrees (Three times around)
Flips
Front Flip - Flipping frontwards
Back Flip - Flipping backwards
Backside Rodeo - flipping frontwards over your front shoulder and spinning backside
Frontside Rodeo - flipping frontwards over your front shoulder and spinning frontside
90 Roll - Flipping backwards without facing 90 towards the bottom of the hill. Very similar to a backside rodeo 360
Crippler - A backside rodeo in the pipe
Haakon flip - frontside rodeo in the pipe, invented by Terje Haakonson
Michalchuck/Heave-Ho - flat spin 540 in the pipe, invented by Mike Michalchuck
McTwist - A frontflip 540, the 540 is performed in a backside direction
Misty Flip - A straight jump version of the McTwist
Alley-oop - A spin on a half pipe wall in the opposite direction of the slope, for instance, go up the backside wall and spin frontside
Corkscrew - Any spin that is inverted or off-axis