A brand of car that came out of Sweden. Probably one of the best cars to make into a sleeper, many have been modded to have over 400hp. Unlike most people think, modern Volvos are in fact very good looking and very fast for their price.
A Daugavpils, Latvia based parkour clan. Composing of around 30 people, their flagship video "Le Parkour" (Often known as Russian Climbing) has found it's way through the internet. A sequel ("Le Parkour, Latvia Daugavpils 2005", known as Dvinsk Clan 2) was made, but wasn't as popular.
Most likely the group of kids at your school who yell the word 'Gritch' all day and sing dumbass songs with the word 'Gritch' in it. Pronounce 'Gritch' 'gr-EECH' like 'gr' from 'great' and 'EECH' from 'leech'.