Gorillas - boarders with very wide very duck stance, very baggy very low pants, hunched shoulders and arms dangling. Generally gather in groups and are of calme nature.
"Stöckler" - pole-er? (Stock=pole; a word creation for someone who uses his poles with too much enthusiasm). Generally of younger age but also noobish older tourist skiers. They love to swing their poles, especially dangerous on narrow cat tracks and in lift lines. Avoid them carefully if you care for your eyes.
"Yeah... no, that's not clumsiness, that's just being topographically challenged" ~ Noreaster