Me and my friends were screwing around w/my car and we pulled the ebrake going like 40...not the first time either. and this time it just sorta gave and didn't spin out. Now it works really weakly but still works sorta. What happened? Can i fix this?

maybe the cable stretched/broke/frayed a bit or maybe you wore down the pads/boots

i'd say the line just needs to be tightened. i have to tighten mine every year. seems to be a common problem with these cars. try getting it tightened and see what happens.