HLJ - Hobby Link Japan (
www.hlj.com)
HS - HobbySearch (
www.1999.co.jp)
Slammed/dropped - lowering a car's stance front and back, usually very low, with suspension modifications
Chopped - Lowering the height of the roof by shortening the A, B, C and sometimes D pillars
A pillar - post between the windshield and door window
B pillar - post between front door window and rear side window
C pillar - post between rear side window and back glass
D pillar - basically only used with station wagons
Channelled - Lowering a car's beltline by taking out a thin section of the body all around the car.
Sectioned - shortening a car by taking out a vertical section anywhere along the car.
Frenched - Recessing or flush-fitting something that normally sticks out.
Smoothed/shaved - Removing door handles, water drip rails, etc that stick out the side of the body.
etc., etc.
TS - Tamiya Spray. Tamiya's spray paints are designated with both a name and a number (eg "TS-30 Silver Leaf")
X - Designation for Tamiya bottles of paint, both acrylic and enamel (eg X - 1 Gloss Black)
XF - Similar to 'X', but for their flat paint lineup (eg XF-1 Flat Black)
Styrene - used to fabricate your own parts, basically bulk plastic. Can be bought at any hobby shop.
That's all for now........