Calli, whose family emigrated from Argentina, says people tease him online with jokes about Hispanics, but "you can't let those things get to you."
He's typical of many young people surveyed. The majority say they aren't very offended by slurs in social media or cellphone text messages even such inflammatory terms as "bitch" or "fag" or the racist N-word.
Yet like Calli, most think using language that insults a group of people is wrong. The high school sophomore says he has tried, with difficulty, to break his habit of calling anything uncool "gay" or "retarded."
Compared with an AP-MTV poll two years ago, young people today are more disapproving of using slurs online.
Nearly 6 in 10 say using discriminatory words or images isn't all right, even as a joke. Only about half were so disapproving in 2011.
Now, a bare majority say it's wrong to use slurs even among friends who know you don't mean it. In the previous poll, most young people said that was OK.
But the share who come across slurs online has held steady. More than half of young users of YouTube, Facebook and gaming communities such as Xbox Live and Steam say they sometimes or often encounter biased messages on those platforms.
Why do people post or text that stuff? To be funny, according to most young people who see it. Another big reason: to be cool. Less than a third said a major reason people use slurs is because they actually harbor hateful feelings toward the groups they are maligning.
Some slurs are taken more seriously than others. Racial insults are not that likely to be seen as hurtful, yet a strong majority of those surveyed 6 in 10 felt comments and images targeting transgender people or Muslims are.
Almost as likely to be viewed as mean-spirited are slurs against gays, lesbians and bisexual people, and those aimed at people who are overweight.
Maria Caprigno, who has struggled with obesity since childhood, said seeing mean images on Facebook stings. But she thinks the online world reflects the rest of U.S. society.
"It's still socially acceptable to comment on someone's weight and what someone is eating," said Caprigno, 18, of Massachusetts.
In the poll, young people said they were less likely to ask someone to stop using hurtful language on a social networking site than face to face.
Alexandria Washington, a 22-year-old graduate student from California, said she's accustomed to seeing men who wouldn't say offensive things to her in person post pictures of "half-naked women in sexual positions," followed by demeaning comments and slurs like "whore" and "ratchet."
Context is crucial, too. Demeaned groups sometimes reclaim slurs as a way of stripping the words of their power like the feminist "Bitch" magazine or gay rights activists chanting "We're here, we're queer, get used to it!"
Jeffrey Bakken, 23, a producer at a video game company in Chicago, said the bad stuff online, especially slurs posted anonymously, shouldn't overshadow what he sees as the younger generation's stronger commitment to equal rights for minorities and gays than its elders.
"Kids were horrible before the Internet existed," Bakken said. "It's just that now it's more accessible to the public eye."
The AP-NORC Center/MTV poll was conducted online Sept. 27-Oct. 7 among a random national sample of 1,297 people between the ages of 14 and 24. Results for the full sample have a margin of sampling error of plus or minus 3.7 percentage points. Funding for the study was provided by MTV as part of "A Thin Line" campaign to stop digital abuse.
The survey was conducted by GfK using KnowledgePanel, a probability-based online panel. Respondents are recruited randomly using traditional telephone and mail sampling methods. People selected who had no Internet access were given it for free.
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Associated Press Director of Polling Jennifer Agiesta and AP News Survey Specialist Dennis Junius contributed to this report.
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Follow Connie Cass on Twitter at https://twitter.com/ConnieCass