As a kid, constantly. I wasn't very assertive and had a lot of effeminate behaviors. I was a scapegoat for my family and a metaphorical punching bag for my male peers, even though I don't remember it ever getting seriously physical.
It left me with extreme anger issues. I'm basically incapable of genuinely connecting with anyone, and I never learned how to make friends, or even see people as entities that are possible to befriend. Like they're not real people, just sentries monitoring your behavior and scanning for vulnerabilities and violations so they have an excuse to strike. So I hate being observed, nothing fucks up my flow more than being supervised, and I play the roles I'm meant to while spitting the people who assign them to me, but I rarely internalize them. Or I feel the exact opposite, they're real humans, and I'm the robot. I'm just a visitor or an onlooker, that I never get to participate or commit in full is a physical law. I'm only half-human and I'm only half-here, so it follows that I only get a half-life, and somehow they helped make me that way. I'm either the subject of someone's judgment or an untouchable voyeur at all times, but I'm never truly engaged.
I've been a bully before too but my motives, if you can really call them that, were way different from the bullying I received. I don't take pleasure in others' suffering, it actually makes me extremely uncomfortable, but I DO take pleasure in expressing my feelings, even when they're emotionally violent, yet because of how I am it appears as though I do, and I'm consistently misunderstood but its also completely reasonable for that to happen which makes it all the more frustrating. So I'm caught in a cycle of explosiveness, then compounding regret, then repression, then explosiveness.
To date no one has truly apologized to me or expressed remorse yet my life has basically devolved into constantly begging for forgiveness, though people seem to *think* I'm incapable of feeling bad about anything and they just want to pile on more and more misery, and honestly I'm just sick of the whole fucking thing. I don't want to live with this constant tension.
My life was unquestionably, absolutely ruined by it because it caused me to miss a very normal and fundamental piece of personal development. It wasn't even that *bad* but it colored my perception of what the world and the people in it are. And now I'm the bad guy and everyone hates me because of how easy it is to see how on edge and fake I am. It makes me so angry. There's just no understanding anywhere, ever. I try to be understanding myself but I'm just fucking bad at it, being compassionate or thoughtful is just fucking impossible with this mindset and that adds more pressure because that's yet another thing to be hated for.