1 - White, cold, soft, slightly frozen water that falls from the sky in winter. Also tastes nice. Beware of yellow snow.
2 - Cocaine or crack. A white powder powder narcotic. Also called blow, charlie, snowflake.
1 - Ooh look its starting to snow outside! Lets eat some. *Uh-oh*...I think I ate some of the yellow snow.
2 - Don't sniff cocaine, kids.
Someone who creates profiles on all of the social networking sites (i.e. MySpace, Facebook, Quechup, Friendster etc.) for the sole purpose of collecting random "friends" so they can look popular.