THUG Tricks List
Controller config
Gamecube: 
Flip 
Grab 
Grind / Lip Trick
Xbox: 
Flip 
Grab 
Grind / Lip Trick
PS2: 
Flip 
Grab 
Grind / Lip Trick
General
GameCube (Z), PlayStation 2 (R1+R2), Xbox (Black or White): Get Off Your Board
Manual
Nose Manual
+ OLLIE: Boneless
+ OLLIE: No Comply
R BUTTON: Revert
Gamecube (L+R), PlayStation2 (L2 or R2): Spine Transfer
Gamecube (L+R), PlayStation2 (L2 or R2): Hip Transfer (done at an angle over a ramp)
OLLIE, +GRIND: Wallride (when approaching wall)
Skitch (when behind a vehicle)
+ OLLIE: Wallplant (must be heading into a wall)
L + R: Acid Drop (must be in the air above something curved)
L, OLLIE: Pressure
L, L, OLLIE: Nollie
Flips
Kickflip
Heelflip
Impossible
Pop Shove-It
Hardflip
Inward Heelflip
Varial Kickflip
Varial Heelflip
FLIP FLIP: Double Kickflip
FLIP FLIP: Double Heelflip
FLIP FLIP: Double Impossible
FLIP FLIP FLIP: Triple Kickflip
FLIP FLIP FLIP: Triple Heelflip
FLIP FLIP FLIP: Triple Impossible
FLIP FLIP: 360 Flip
Grabs
Melon
Indy
Nosegrab
Tailgrab
Japan
Madonna
Benihana
Airwalk
GRAB GRAB: Stiffy
GRAB GRAB: Rocket Air
GRAB GRAB: One Foot Tailgrab
Lip Tricks
(no direction): Nose Stall
Varial Invert to Fakie
BS Boneless
FS Noseblunt
Invert
Andrecht Invert
The Switcheroo
Gymnast Plant
One Foot Invert
Grinds
Most of these will depend on the way you're facing, try the opposite directions if you're skating switch. Also use common sense, if you're trying to do a Tailslide, don't go in nose-first.
(no direction): 50-50
Noseslide
Tailslide
Nosegrind
5-0
Overcrook
Crooked
Feeble
Smith
Nosebluntslide
Bluntslide
Press grind while travelling sideways: Boardslide
GRIND GRIND: Nosegrind To Pivot
GRIND GRIND: 5-0 Overturn
GRIND GRIND: Hurricane
GRIND GRIND: Salad
GRIND GRIND: Hang Ten Nosegrind
GRIND GRIND: Crail Slide
GRIND GRIND: Double Blunt Slide
GRIND GRIND: Darkslide
Grind modifiers
While you're grinding, tap in these modifiers to change your grind (and earn more points).
GRIND + GRIND: 50-50
GRIND + FLIP: Noseslide
GRIND + GRAB: Nosegrind
GRAB + GRIND: Crooked
GRAB + FLIP: Bluntslide
GRAB + GRIND: Nosebluntslide
FLIP + FLIP: Smith
FLIP + GRAB: 5-0
FLIP + GRIND: Tailslide
Flatland
GRIND + GRIND: Pogo
GRAB + GRAB: Handstand
FLIP + FLIP: 360 Fingerflip
FLIP + GRAB: Anti Casper
FLIP + GRIND: Casper
GRIND + GRAB: Switch Foot Pogo
GRIND + FLIP: Truckstand
GRAB + FLIP: To Rail
GRAB + GRIND: One Foot Manual
FLIP: Spacewalk
FLIP + FLIP (while in Nose Manual): Half Cab Impossible
Specials
FLIP: 360 Varial Heelflip Lien
LIP TRICK: 1990 Invert
GRIND: Casper Handstand
GRIND: Crooks Darkslide
GRAB: 540 Flip
LIP TRICK: Russian Boneless
GRIND: Yeah Right Manual
GRIND: Moonwalk Five-O
GRAB: Nut Buster
GRAB: Flamingo
FLIP: Soul Skating
GRAB: McTwist