I liked this one, yes I edditted a bit to be a bit more gender friendly. x's mean they apply to me...

I'm a FEMALE GAMER, so I MUST be ugly or crazy.
I'm ARAB, so I MUST be a terrorist.
I'm SKINNY, so I MUST be anorexic.
I'm EMO, so I MUST cut my wrists.
I'm BLACK, so I MUST carry a gun.
I'm HISPANIC, so I MUST be dirty.
I'm ASIAN, so I MUST be smart.
I'm NOT LIKE EVERYONE ELSE, so I MUST be a loser. (X)
I'm JEWISH, so I MUST be greedy.
I'm GAY, so I MUST have AIDS.
I'm a LESBIAN, so I MUST have a sex-tape.
I SPEAK MY MIND, so I MUST be a bitch/bastard. (X)
I'm OVERWEIGHT, so I MUST have a problem with self control. (X)
I'm RELIGIOUS, so I MUST shove my beliefs down your throat.
I'm an ATHEIST, so I MUST hate the world. (X) egnostic but most people think so anyway...
I DON'T HAVE A RELIGION, so I MUST not have morals. (X)
I'm REPUBLICAN, so I MUST not care about poor people.
I'm DEMOCRAT, so I MUST not believe in being responsible.
I'm JAMAICAN so I MUST smoke weed.
I am LIBERAL, so I MUST be gay. (X)
I'm SOUTHERN, so I MUST be white trash.
I TAKE ANTI-DEPRESSANTS, so I MUST be crazy.
I'm a GUY, so I MUST only want to get into your pants. (X) this happens to me WAY too much, untill they know me anyway.
I'm IRISH, so I MUST have a bad drinking problem. (X)
I'm INDIAN, so I MUST own a convenient store.
I'm AFRICAN, so I MUST dance around a fire screaming like a savage.
I'm a CHEERLEADER, so I MUST be a whore.
I'm PREPPY, so I MUST shun those who don't wear Abercrombie & Hollister.
I'm A DANCER, so I MUST be stupid, stuck up, and a (man-)whore.
I WEAR SKIRTS A LOT, so I MUST be a slut.
I'm a PUNK, so I MUST do drugs.
I'm YOUNG, so I MUST be naive. (X) see my responce to the guy on, it apply's here
I'm RICH, so I MUST be a conceited snob.
I WEAR BLACK, so I MUST be a goth. (X)
I'm BLONDE, so I MUST be a stupid ditz.
I'm WHITE GIRL, so I MUST be a nagging, steal-your-money kind of girlfriend.
I'm PRETTY, so I MUST not be a virgin.
I'm CUBAN, so I MUST spend my spare time rolling cigars.
I'm MEXICAN, so I MUST have hopped the border.
I'm not A VIRGIN, so I MUST be easy. (X)
I FELL IN LOVE WITH A MARRIED MAN, so I MUST be a home-wrecking whore.
I'm a TEENAGE MOM/DAD, so I MUST be an irresponsible slut.
I'm POLISH, so I MUST wear my socks with my sandals.
I'm ITALIAN, so I MUST have a big cock. (X)
I GOT A CAR FOR MY BIRTHDAY, so I MUST be a spoiled brat. (X)
I'm ALWAYS SMILING AND LAUGHING, so I MUST have a great life. (X)
I HAVE STRAIGHT A'S, so I MUST have no social life.
I DYE MY HAIR CRAZY COLORS, so I MUST be looking for attention.
I DRESS IN UNUSUAL WAYS, so I MUST be looking for attention. (X)
I'm INTO THEATRE & ART, so I MUST be a homosexual. (X)
I'm a VEGETARIAN, so I MUST be a crazy political activist.
I HAVE A BUNCH OF GUY FRIENDS, so I MUST be gay/sleeping with them. (X)
I HAVE A BUNCH OF GIRLS WHO ARE FRIENDS, so I MUST be gay/sleeping with them. (X)
I HAVE BIG BOOBS, so I MUST be a slut.
I'm COLOMBIAN, so I MUST be a drug dealer.
I WEAR WHAT I WANT, so I MUST be a poser. (X)
I'm RUSSIAN, so I MUST be cool and thats how Russians roll.
I'm GERMAN, so I MUST be a Nazi.
I HAVE GAY FRIENDS, so I MUST be GAY TOO. (X)
I'm BRAZILIAN, so I MUST have a BIG BUTT.
I'm PUERTO RICAN, so I MUST look good and be conceited.
I'm SALVADORIAN, so I MUST be in MS 13.
I'm POLISH, so I MUST be stupid.
I'm HAWAIIAN, so I MUST be lazy.
I'm BLACK, so I MUST love fried chicken.
I'm a STONER, so I MUST be going in the wrong direction.
I'm a VIRGIN, so I MUST be prude.
I'm BI, so I MUST think every girl I see is hot.