There's a difference between a feminazi and a feminist.
A feminist is someone who supports womens' rights. Simple as that. Thinks girls in poorer countries should go to school, is opposed to those music videos that consist of like, three minutes of boob shots, etc. Equality is cool, guys. Feminism is cool.
A feminazi is not a feminist. Feminists believe in equal rights for us, feminazis just make us look stupid. Feminazis believe that all men are idiots, wearing a bra is a symbol of oppression (personally I find bras comfortable), shaving our legs is apparently showing that we GIVE INTO MALE PRESSURE TO BE ATTRACTIVE HOLY SHIT, snowmen must be called "snowpeople", and that any song that mentions a girl is supporting rape or whatever. Is apparently against sexism, making them a hugefuckinghypocrite.
A feminazi is a sexist. A feminist is a supporter of womens' rights.
Feminist: So, did you hear they have a sale on bras this weekend at Victoria's Secret? I think I'll go buy some, I've only got a few.
Feminazi: NO!!!! HOW DARE YOU SUPPORT YOUR TITS? THAT WOULD BE A SIGN OF YOU GIVING INTO MALES TELLING YOU TO BE ATTRACTIVE! YOU STUPID FUCKER! HOW COULD YOU BE SO SEXIST? HEIL WOMEN!