First of all, this goes for both guys and girls. Second of all, it’s not just fat. I think using any kind of put-down is mean if you’re serious. Third, I think joking is different, as long as you’re close enough to a person that they know you’re kidding, and you’re willing to apologize/stop permanently if they tell you their feelings were hurt.
This^
drugstoreprincess:

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Submitted by TheElectricHeart