save it....
if you don't know what to do with your money you shouldn't spend it ...
otherwise you could spend it on:
booze
girls
condoms
porn
skimovies
NS schwag
daypass at a skiresort
use it for a hitchhiking roadtrip
coconuts, lots of em !
summersale at your ski/skate/snowboard shop, get some sweet deals on t-shirts, pants, shoes, whatever, before the new winter gear comes in ....