I NEED A PARTY IDEA FOR MY 13TH BIRTHDAY PARTY!!!

OK i NEED A PARTY iDEA (THATS NOT DORKY!) FOR MY 13TH BiRTHDAY! AND THAT WOUlD USUAllY BE EASY EXCEPT FOR MY BiRTHDAY iS iN DECEMBER WHiCH iS LiKE THE COlDEST MONTHOF THE YEAR SO i CANT HAVE A POOl PARTY OR ANYTHiNG SO WHAT SHOUlD i DO!?!?
Posted by MEGAN; updated 10/26/07