Don't listen to most of the people on this site, here's some kind of a dictionary
Afterbang: Riding away all calm after a well performef trick. Tom Wallisch is probably the Best 'afterbanger' these days. Try Google him and watch some edits with him on youtube.
Frontside/Backside: In skiing frontside and backside are used to describe the way the skis are positioned when sliding on an object. For example, if a skier jumps on to slide a rail with the tips facing away from the side you jumped on from, the skier is doing a frontside slide. Their whole body will be facing away from the setoff point.
A backside is much the same, although when the skier jumps on, they will be landing with their tips pointing at the point where you took off.
Grab: Grabbing the skis while performing a trick. Could be a safety grab where you grab with your right hand under the right ski binding if you left left, and opposite if you spin right.
Kicker: Another word for a jump, mostly used by freestyle skiers.
Lip: The top of the kicker
Steeze: Origins from skateboarding. Mixture of style and ease.
Sweet Spot: The best place to land from a kicker. It's in the
middle of the landing, and is what you should aim for when hitting a jump.
Switch: Skiing backward, or hitting
a jump backwards. Example: switch 540. A trick Where You spin 540 degrees stæying
backwards.
I hope this was explained well, just write to me if theres something You don't
understand or want to know