errrkk!

how do i tell a person that i'm simply not interested to go out with him without being mean? like, i've ran out of lame excuses to avoid going out with him.. n he caught me off guard at the moment when my brain completely stopped functioning n i cudnt come up with any lame excuse anymore..thanks a lot brain..sheeshhh... now i'm stuck going out with him just cos i cant be mean n tell him straight out that i'm plainly not interested at all!!! n also the fact that i've to see him 3 times a week in class...huhuhuhuhuhuhu.... if only i can be a total superbitch n say "bugger off loser..i'm not interested!" yeah, if only... hey, anyone wanna pose as my boyfriend and help me out??